| Waterloo Capital |
RESEARCH · WEEKLY DISPATCH |
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| WEEK OF AUGUST 17TH, 2026 |
THE WATERLOO RESEARCH DESK |
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Last Week on Wall Street
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| Market Summary · Weekly Close · Year to Date | | S&P 500 | 7,674 | ▼ -1.43% WK | ▲ +12.11% YTD | | Dow Jones | 53,277 | ▼ -0.85% WK | ▲ +10.85% YTD | | Nasdaq | 26,180 | ▼ -2.05% WK | ▲ +12.64% YTD | | 10-Yr Yield | 4.74% | ▲ +6 BPS WK | ▲ +58 BPS YTD |
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Long yields at levels the market has not had to price in more than a decade, an intervention from Washington that lasted about a day, oil back near $95, and a three-week winning streak that finally ran out of room.
The S&P 500 closed Friday at 7,674, ending a three-week run of weekly gains. The Nasdaq gave up the most ground of the three, the Dow logged its second straight weekly loss, and the whole thing happened without a single scary print out of Washington's economic calendar. Friday itself was green, with the Dow adding roughly 500 points into the close. A good Friday does not undo the Thursday that came before it. The pressure came from the far end of the curve, and the reasons behind it are stacking rather than rotating: federal deficit spending, a corporate bond calendar running at record size, and a wave of AI-linked issuance funding data centers, power contracts, and fiber. The Treasury Department stepped in midweek to lean against the move. The relief lasted about a day. Meanwhile crude came back toward $95 a barrel after the United Arab Emirates suspended all trade with Iran on Wednesday, which makes the inflation arithmetic at the long end harder in every direction at once. For diversified portfolios, the notable thing about this week is not the size of the equity give-back, which was modest, but where the volatility actually lived. Stocks had no session worse than 1%. The bond market moved hard twice in five days and in both directions, and the asset that ran furthest was the one with no cash flows at all. Duration is doing something it has not done in a decade: paying a real coupon and swinging like an equity, at the same time. The portfolios sitting comfortably through a week like this are the ones that bought their fixed income for the yield rather than the trade, and are being paid to hold it while the long end argues with itself.
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BOTTOM LINE
Long yields, not earnings, set the tone, and a midweek intervention could not hold it. For balanced portfolios, the week was less about a modest equity give-back than about where the volatility has moved: into the part of the market that is finally paying something to own it.
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By the Numbers | | Streak over: the S&P 500's three-week run of weekly gains ended; the Dow posted a second consecutive weekly loss | | Global equities: the MSCI All Country World Index fell about 1.5%, its worst week in more than a month | | Brent crude: quoted near $95.40 Thursday, roughly $28 a barrel above where it traded a year ago | | UAE and Iran: the Emirates suspended all trade and financial transactions with Iran on Wednesday, having supplied more than 30% of Iranian imports | | Corporate bond issuance: $1.68 trillion raised in the U.S. through mid-August, up 27% from the same stretch of 2025 | | AI-linked bond supply: roughly $220 billion across currencies so far in 2026, more than the whole of last year |
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Two Stories That Moved the Tape
The Week's Defining Headlines
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The key takeaway, the Treasury told the market on Wednesday it would at least double the size of its long-dated bond buybacks. Long yields fell on the news, then gave the entire move back inside twenty-four hours. By Friday the long end sat roughly where it had started the week, which is to say near the highest levels in more than a decade.
Treasury Secretary Scott Bessent said the department would lift its long-dated repurchase operations from $2 billion to at least $4 billion apiece, effective September 9. Long bonds rallied on Wednesday, the way any market rallies when a very large buyer announces itself. By Thursday afternoon the move was gone. The 10-year finished the week near 4.74% and the 30-year near 5.25%, both back at the levels that prompted the intervention in the first place, and Bessent spent Friday promising the operations could get bigger still. Buybacks change the shape of what is outstanding, not the size of what has to be issued, and that distinction is what the market spent Thursday pricing. A few billion dollars per operation is real support for liquidity in specific off-the-run issues; it is not an answer to a deficit, a record investment-grade calendar, and an oil price that keeps drifting up. The deeper number is the real yield: the 30-year inflation-adjusted rate touched roughly 3.0% in late July, the highest since 2008, meaning investors are demanding compensation for lending long that they have not asked for since the financial crisis. That is the message a fiscal authority cannot buy its way out of, and it lands a week before the new Federal Reserve chairman gives his first Jackson Hole address.
Data That Drove the Story | | The operation: long-dated buybacks at least double, from $2 billion to $4 billion or more per operation, effective September 9 | | Where the long end finished: the 10-year near 4.74%, the 30-year near 5.25%, both around levels last seen more than a decade ago | | Real yields: the 30-year inflation-adjusted yield reached roughly 3.0% in late July, its highest since 2008 |
SOURCE: CNBC: Longer-dated Treasury yields rise as the buyback rally fizzles →
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The key takeaway, bitcoin rose close to 23% over five sessions that took stocks lower and long yields higher, its biggest weekly gain in more than two years. The catalyst was not a price call. It was the first crypto-specific fundraising rule the Securities and Exchange Commission has written in its ninety-year history.
On August 18 the SEC published Regulation Crypto Assets, which lays out three ways a digital-asset project can raise money inside securities law: a $5 million exemption for startups, a $75 million exemption that requires audited financials, and a conditional safe harbor letting an asset exit securities classification once the managerial promises in its original investment contract have been fulfilled or abandoned. The next day the White House convened crypto and finance executives, with the president pressing Congress to move the CLARITY Act, whose House vote has slipped to September. Bitcoin touched $79,319 on Friday and spent the afternoon near $77,600. Part of the move was mechanical: the Treasury buyback announcement pushed long yields down for a session, risk appetite followed, and roughly $3 billion of short positions were liquidated into a thin market. The rest is a repricing of regulatory risk that has hung over the asset class since 2023, when the operative question was which token was a security and the operative answer was whichever one the agency sued next. What makes the week worth noting is not the percentage. It is that the same five sessions produced the best crypto tape since 2024 and the worst equity tape in a month, from an asset that still sits roughly 38% below the record it set last October.
Data That Drove the Story | | Weekly move: close to 23%, the biggest weekly gain in more than two years, with a Friday high of $79,319 | | The rule: Regulation Crypto Assets, published August 18, is the SEC's first crypto-specific fundraising rule in ninety years | | Still off the high: the October 2025 record of $126,198 leaves the asset roughly 38% below its peak |
SOURCE: CNBC: Bitcoin on track for 23% weekly gain as optimism floods back →
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Other Things Worth Knowing
Around the Water Cooler
Six stories from this week worth your morning coffee.
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