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Chart of the WeekMay 12, 2026

Chart Of the Week – Philidelphia Semiconductor Index

The chart above shows the Philadelphia Semiconductor Index's 6-week performance, rising from roughly 7,200 to its current price of 12,088, a gain of approximately 68%.

Chart Of the Week – Philidelphia Semiconductor Index
The chart above shows the Philadelphia Semiconductor Index's 6-week performance, rising from roughly 7,200 to its current price of 12,088, a gain of approximately 68%.


The move has been remarkably consistent, with only a brief consolidation in late April, peaking around 10,500 on the 24th before pulling back to roughly 10,000 by the 28th, before the index accelerated sharply higher through the final stretch of April and into May.


The SOX is widely viewed as a leading indicator for broader technology and risk appetite, and a move of this magnitude over such a compressed timeframe underscores just how aggressively investors have repriced the AI growth narrative in recent weeks.

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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.

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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.

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