Semiconductor stocks have tumbled, bond yields have surged, and geopolitical tensions persist—the list of concerns on Wall Street continues to grow. However, the flow of capital tells a strikingly different story.
Last week, the S&P 500 index reached a new all-time high, while the Nasdaq 100 recorded its largest single-week gain in two months. Simultaneously, high-yield bond funds attracted a massive $4 billion in a single week, marking the highest level in two years. Bitcoin ETFs also saw a net inflow of $500 million over five trading days. The Bank of America Bull & Bear Indicator has risen to its highest level since 2021, signaling that market sentiment has shifted fully toward optimism.
This all unfolded in the aftermath of the collapse of the AI-focused hedge fund Situational Awareness, founded by the so-called "Silicon Valley stock guru" Leopold Aschenbrenner. The incident once dragged the Philadelphia Semiconductor Index down by 29% from its June peak. Yet, instead of retreating, investors viewed the turmoil as a buying signal, pouring over $11 billion into semiconductor ETFs within just two trading days, which subsequently led to a sharp rally in related funds.
Bold buying opportunities emerge from chip stock crash
The collapse of Situational Awareness was one of the most dramatic events in the recent market. The struggles of this AI-themed hedge fund once pushed the Philadelphia Semiconductor Index down 29% from its June high, triggering a violent shakeout in tech stocks.
However, the market's reaction defied traditional risk-averse logic. According to Bloomberg data, the Direxion Daily Semiconductor Bull 3X Shares ETF, a leveraged fund that triples the daily performance of semiconductor stocks, attracted over $2 billion in inflows in just two trading days. It subsequently surged more than 50% over the following seven trading days.
During the same period, the two largest non-leveraged semiconductor ETFs collectively absorbed over $7 billion in funds, with each rising by approximately 16%.
Michael O'Rourke, Chief Market Strategist at JonesTrading, characterized this as a "tsunami" of momentum buying. "The Situational Awareness event created a short-term low point for AI trades, unleashing a massive wave of momentum-chasing behavior," he said. "However, it's worth noting that many investors remain concentrated in mega-cap stocks, and the 'Magnificent Seven' are still the primary drivers of index gains."
Risk appetite surges from retail to institutional investors
What is driving the market is not just the rebound in chip stocks, but a comprehensive influx of capital across all asset classes.
Citing Bank of America data, Bloomberg reported that high-yield bond funds saw a net inflow of $4 billion last week, the largest single-week amount in two years. Bitcoin ETFs attracted $500 million in net inflows over the five trading days ending Thursday, even as the price of Bitcoin has been trading sideways for months. In the equity market, investors injected over $11 billion into leveraged and non-leveraged semiconductor ETFs last week.
The Bank of America Bull & Bear Indicator has consequently risen to its highest level since 2021. A team led by strategist Michael Hartnett pointed out that the stock rally has spread beyond the core technology sector, with strong inflows into high-yield bonds and narrowing credit spreads together supporting this optimism.
Garrett Melson, a portfolio strategist at Natixis Investment Managers Solutions, believes that current market concerns are being overblown and that the fundamentals of risk assets remain solid. He maintains an overweight position in U.S. stocks, with a focus on large-cap technology companies, while remaining underweight in fixed income. However, he is holding slightly longer duration and making selective credit exposures. "At the end of the day, economic growth is performing well," Melson said. "Sentiment and positioning can sometimes become stretched, but this overheating is localized. Rotation helps digest excess froth while maintaining support for the index."
The shadow of high yields: bond market pressure persists
The rally in risk assets is not unfolding in a worry-free environment. Although the yield on the 30-year U.S. Treasury bond has fallen on four of the last five trading days, it remains near its highest levels in nearly two decades, creating a significant background pressure on the market.
Analysts are divided on the reasons for the persistently high yields. Some attribute the surge in yields at the end of July to Federal Reserve Chairman Kevin Warsh's deliberate avoidance of clear interest rate guidance, which raised doubts about the central bank's commitment to fighting inflation. Others argue that the bond market's movement reflects investor confidence in the ongoing economic expansion.
Last Friday, the U.S. Labor Department reported that employers unexpectedly cut jobs in July, and data for the previous two months was also revised downward. This surprisingly weak employment report instead boosted the stock market, causing bond yields to fall as markets bet that the Federal Reserve will not be forced to raise interest rates in the near term.
Lindsay Rosner of Goldman Sachs Asset Management noted that as data becomes clearer and oil prices stabilize, the overall economic picture and returns on capital expenditures are becoming more evident. "Based on what we've seen, the economy remains strong. The market is gradually adjusting to the current AI supply and is conducting price discovery for future trends," she said.
Ayako Yoshioka, Senior Investment Strategist at Wealth Enhancement, cautioned that while semiconductors remain central to AI infrastructure construction, the bottleneck may shift to electricity supply shortages as the process advances. "Higher yields are still a risk—especially against the backdrop of AI infrastructure construction continually knocking on the door of the bond market," she said.
Brief pullbacks repeatedly reinforce the confidence of bulls
Underpinning the current market sentiment is a repeatedly validated investor psychology—every correction is fleeting, and every moment of panic is a buying opportunity.
Nathan Thooft, Senior Portfolio Manager at Manulife Investment Management, pointed out that price corrections have repeatedly proven to be short-lived, which continuously strengthens investors' psychological confidence. Those who chose to exit during periods of highest uncertainty have paid the price, as the biggest gains often occur precisely when the market is most volatile.
"There is still no compelling alternative," Thooft said. "Cash may feel safe, but in the long run, it struggles to outpace inflation and the earnings growth of stocks. As for bonds, we believe term premiums are still undervalued. Over the past decade, the many investors who have waited for a better entry point have largely been left behind by the market."
The Cboe Semiconductor ETF Volatility Index fell by nearly 9 points this week, marking its largest single-week drop of the year, which vividly illustrates the rapid recovery in market sentiment. Although the list of concerns continues to grow, the direction of capital flows still clearly points toward risk assets.
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