← Research & Insights
Weekly NewsletterSeptember 19, 2026

Last Week on Wall Street - Week of September 14th

Stocks fell Monday, fell Tuesday, and fell again Wednesday after the Federal Reserve said what everyone already knew it would say.

Last Week on Wall Street - Week of September 14th
Last Week on Wall Street | Waterloo Capital
Waterloo Capital RESEARCH · WEEKLY DISPATCH
WEEK OF SEPTEMBER 14TH, 2026 THE WATERLOO RESEARCH DESK

Last Week on Wall Street

Market Summary · Weekly Close · Year to Date
S&P 5007,642▼ -0.20% WK▲ +11.63% YTD
Dow Jones51,708▼ -1.65% WK▲ +7.58% YTD
Nasdaq26,505▲ +0.65% WK▲ +14.04% YTD
10-Yr Yield5.00%▲ +7 BPS WK▲ +84 BPS YTD

The Fed Moved a Quarter Point, and the Bond Market Kept Walking

Three years without a rate increase ended on Wednesday afternoon, stocks spent two days arguing about it, and the ten-year yield finished the week exactly where nobody wanted it.

Stocks fell Monday, fell Tuesday, and fell again Wednesday after the Federal Reserve said what everyone already knew it would say. Then Thursday arrived and took most of it back: the S&P 500 gained more than a percent, the Nasdaq more than one and a half, and Friday added a sliver on top. The S&P still finished the week lower, its second losing week in a row. The Nasdaq finished higher, which is not a sentence anyone expected to write about a week that contained the first rate increase of this cycle.

What moved the tape was not the decision, it was the tone that came with it. Chair Kevin Warsh spent his press conference making the case that a quarter point is a start rather than a finish, and the Treasury market took him at his word. Yields ran to levels this market has not seen in nearly two decades by midweek, eased Thursday when the selling stopped, and climbed straight back Friday. Oil, for once, behaved itself: Brent slipped on Friday and ended the week close to where it began, after a month in which it did nothing of the sort. August retail sales landed hot on Wednesday morning, which did not help anyone hoping the economy would make the argument for patience.

So the week ends with the argument moved rather than settled. Nobody is debating whether the Fed will act; it acted. The debate now is how much of this inflation a policy rate can actually reach, given where most of it is coming from. Washington can make money more expensive. It cannot reopen a shipping lane. That leaves a market watching two things at once, and only one of them meets again in October.

BOTTOM LINE

The Fed raised rates and the tape spent the rest of the week deciding it was not enough. Stocks finished lower, the long end of the curve finished higher, and the open question is no longer what the Fed will do but what it can reach.

By the Numbers

A second straight losing week for the S&P 500, which fell in three of the week's five sessions
A split tape: the Nasdaq finished the week higher while the S&P 500 finished lower, an unusual divergence over five days
August retail sales: +1.2%, better than forecast, after shoppers pulled back in July
Thursday's relief rally: technology led every sector, up roughly 2.25%, as yields backed off their midweek highs
Oil stood still: Brent settled near $103 after slipping about 1.7% on Friday, close to where it started the week
Quarterly triple witching: Friday brought the simultaneous expiration of index and single-stock options and futures, which adds volume and noise to the close

Two Stories That Moved the Tape

The Week's Defining Headlines

The Fed Broke a Three-Year Streak, and Said There's Another Coming

Illustration: an etched half-circle policy dial whose needle has moved one notch above the dashed position it held for years, beside a rising staircase of hatched bars

The key takeaway, the Federal Reserve raised its benchmark rate a quarter point on Wednesday, the first increase since July 2023, and did it without a single dissent. The harder part was the forecast that came with it: almost every official on the committee expects at least one more before the year is out.

The Federal Open Market Committee lifted the federal funds target range to 3.75% to 4% on Wednesday afternoon, a quarter-point increase and the first since July 2023. The vote was unanimous, 12 to 0, which is unusual for a move this consequential. The statement described an expansion proceeding at a solid rate, resilient domestic spending, strong productivity growth and robust capital investment, and then said the quiet part plainly: inflation remains elevated, and the increase is meant to support a timelier return to the 2% goal. Chair Kevin Warsh put it less diplomatically, saying inflation is too high and has been for too long.

The projections did the real damage. The median official now pencils in one more quarter-point increase before year end, and 16 of the 18 policymakers submitting forecasts expect at least one more, with the rate holding near that level through 2027. The distance they are trying to close is not small: the PCE price index ran near 3.6% in August and the core measure near 3.2%, against a target the Committee has not hit in more than five years. Stocks sold off into Wednesday's close and then took most of it back Thursday, which is roughly the behavior of a market that accepts the diagnosis and is still negotiating over the dose.

Data That Drove the Story

The decision: a quarter-point increase to a 3.75% to 4% target range, the first since July 2023, on a unanimous 12 to 0 vote
The forecast: the median official expects one more quarter-point increase this year, and 16 of 18 expect at least one more
The distance: PCE inflation near 3.6% in August and core PCE near 3.2%, against the Committee's 2% goal

SOURCE: Federal Reserve: FOMC statement, September 16, 2026 →

 

The Ten-Year Went Back to 2007, and the Mortgage Went With It

Illustration: an etched house beside a long rising line that crosses a dashed threshold, the stretch of the line above the threshold picked out in blue

The key takeaway, the 10-year Treasury yield reached its highest level since 2007 on Tuesday and finished the week sitting on a round number that matters. The Fed sets the overnight rate. The ten-year is set by what investors expect inflation to average over the next decade, and this month that expectation is being written in a shipping lane.

The 10-year yield touched 5.025% on Tuesday, a level it has not reached since 2007, and the rest of the curve came with it: the 30-year climbed to 5.384% and the 2-year to 4.68%. Thursday brought a brief retreat, Friday gave it back, and the 10-year finished the week at 5.00%. The mechanism is not mysterious. Jonathan Liang of Standard Chartered noted that 10-year Treasury bonds are highly sensitive to inflation expectations, and the correlation between crude futures and Treasury yields has run near 0.96 this month. The bond market is pricing a barrel, not a business cycle.

A 5% ten-year is not an abstraction, because it is the reference rate for most of what households and companies borrow against. Freddie Mac reported Thursday that the 30-year fixed mortgage averaged 6.95% this week, 69 basis points above where it stood a year ago, and that is the version of this story that turns up at a closing table. Corporate refinancing works the same way on a longer fuse. The uncomfortable arithmetic is that the Fed's quarter point lands on the front end of the curve, while the borrowing cost that actually reaches the economy is being set at the far end, by something the Committee does not control.

Data That Drove the Story

The long end: the 10-year yield reached 5.025% Tuesday, its highest since 2007; the 30-year hit 5.384% and the 2-year 4.68%
The mortgage: Freddie Mac's 30-year fixed averaged 6.95% this week, 69 basis points above a year ago
What is setting it: the correlation between crude futures and Treasury yields has run near 0.96

SOURCE: CNBC: 10-year Treasury yield hits highest level since 2007 →

Other Things Worth Knowing

Around the Water Cooler

Six stories from this week worth your morning coffee.

Awards · Television

Widow's Bay swept the Emmys and The Pitt held its ground

Monday night in Los Angeles belonged to the newcomer, but the hospital drama repeated as outstanding series. Mariska Hargitay hosted, the first non-comedian handed the job since 1993.

Texas · Longhorns

Texas is No. 1 in the country after three unanswered touchdowns

The Longhorns came back to beat Ohio State 24 to 23 in Austin, then took the top spot in the AP poll. Nobody in this town has stopped replaying the fourth quarter.

Science · Astrophysics

Every black hole switches on its jets at the same moment

New work in Nature finds that black holes launch their plasma jets once feeding reaches 2% of the Eddington limit. One rule, holding across a billion-fold range of mass.

 

Space · Webb

Webb found objects barely twice the mass of Jupiter

One of the telescope's largest images yet maps the star-forming region IC 348 and turns up the smallest free-floating brown dwarfs on record. Too big to be planets, too small to be stars.

Environment · Earthshot

Fifteen Earthshot finalists were named on Friday

Five category winners each take a million pounds at a ceremony in Mumbai in November. The shortlist runs from a Rocky Mountain wildlife corridor to an AI wildfire tracker in Argentina.

Global · Central Banks

The Bank of Japan raised rates to a 31-year high

Tokyo lifted its policy rate to 1.25% on Friday, citing inflation of its own. The world's last reliable source of cheap money is getting less generous.

Technical trading models are mathematically driven based upon historical data and trends of domestic and foreign market trading activity, including various industry and sector trading statistics within such markets. Technical trading models, through mathematical algorithms, attempt to identify when markets are likely to increase or decrease and identify appropriate entry and exit points. The primary risk of technical trading models is that historical trends and past performance cannot predict future trends and there is no assurance that the mathematical algorithms employed are designed properly, updated with new data, and can accurately predict future market, industry and sector performance.

Disclosure: Investing involves risk, including the possible loss of principal and fluctuation of value. Past performance is no guarantee of future results. This newsletter is not intended to be relied upon as forecast, research or investment advice, and is not a recommendation, offer or solicitation to buy or sell any securities or to adopt any investment strategy. The opinions expressed are as of the date noted and may change as subsequent conditions vary. The information and opinions contained in this letter are derived from proprietary and nonproprietary sources deemed by Waterloo Capital to be reliable. The letter may contain "forward-looking" information that is not purely historical in nature. Such information may include, among other things, projections and forecasts. There is no guarantee that any forecast made will materialize. Reliance upon information in this letter is at sole discretion of the reader. Please consult with a Waterloo Capital financial advisor to ensure that any contemplated transaction in any securities or investment strategy mentioned in this newsletter aligns with your overall investment goals, objectives and tolerance for risk. Additional information about Waterloo Capital is available in its current disclosure documents, Form ADV, Form ADV Part 2A Brochure, and Client Relationship Summary report which are accessible online via the SEC's Investment Adviser Public Disclosure (IAPD) database at www.adviserinfo.sec.gov, using SEC # 133705. Waterloo Capital is neither an attorney nor an accountant, and no portion of this content should be interpreted as legal, accounting or tax advice.

About This Series

Last Week on Wall Street

Last Week on Wall Street is Waterloo Capital's weekly market recap, published every Monday morning to keep advisors and clients informed on the most significant developments from the prior trading week. Each edition synthesizes equity market performance, fixed income moves, macroeconomic data releases, and notable corporate earnings into a concise, actionable read — cutting through the noise so our readers can focus on what actually matters for long-term wealth management.

Our research team tracks the S&P 500, Dow Jones Industrial Average, NASDAQ Composite, and 10-year Treasury yield as primary benchmarks, while also covering sector rotations, commodity swings, and policy shifts from the Federal Reserve and Washington. When major cross-asset moves occur — such as the historic gold selloff covered in this edition — we dig into the mechanics and the likely ripple effects on diversified portfolios, helping clients contextualize volatility without reacting impulsively.

Our Research Approach

Evidence-Based Perspective for Long-Term Investors

Waterloo Capital's investment research is grounded in fundamental analysis and long-term thinking. We believe that disciplined, evidence-based investing — anchored in each client's specific goals, risk tolerance, and time horizon — consistently outperforms reactive decision-making driven by short-term headlines. Our weekly commentary is designed to inform, not alarm: we put market moves in their proper historical context so that clients can hold conviction in their financial plans through periods of uncertainty.

As an SEC-registered investment advisor headquartered in Austin, Texas, with offices across the Southwest and Southeast, Waterloo Capital serves high-net-worth individuals, families, and institutions. Our advisors use proprietary research like this weekly recap as one input among many — alongside in-depth portfolio reviews, tax planning, and estate strategy — to deliver comprehensive wealth management tailored to each client relationship. To learn more about how our investment philosophy and ongoing market research can serve your financial future, contact our team directly.

Investment Disclosure: The information contained in this article is provided for informational and educational purposes only and does not constitute investment advice, a recommendation, or an offer or solicitation to buy or sell any security. Past performance is not indicative of future results. All investing involves risk, including the possible loss of principal. Waterloo Capital, LP is an SEC-registered investment advisor. Registration does not imply a certain level of skill or training. Please consult with a qualified financial professional before making any investment decisions.

Let's Connect

Start Your Wealth Journey Today

Whether you're a high-net-worth individual, a family navigating complex wealth, or an institutional client seeking specialized investment solutions, our team is ready to discuss your unique needs.

Send Us a Message

Or visit our contact page

Last Week on Wall Street - Week of September 14th | Waterloo Capital