Tech stocks are on track for their largest annual inflows ever, around $152 billion（約24兆円）, driven by an unrelenting investment boom in artificial intelligence infrastructure. The Nasdaq Composite posted its best quarterly gain since 2020, surging 21.4% in Q2 2026, while forward earnings estimates have been revised upward by 18% this year—the strongest such revision since at least 2000—suggesting durable investor conviction in tech sector profitability.
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Tech stocks are receiving approximately $152 billion（約24兆円） in annual inflows at the current pace, marking the largest annual inflow in history according to Bank of America data. The Nasdaq Composite surged 21.4% in the second quarter of 2026, its best quarterly performance since the post-pandemic rebound of 2020, driven primarily by investment in AI infrastructure. Semiconductor and memory suppliers like AMD and Micron reached record highs; SpaceX's mid-June IPO further amplified momentum.
Why it matters
Forward earnings estimates for the S&P 500 have been revised higher by 18% since the beginning of the year, the strongest year for earnings revisions since at least 2000, led by the tech sector. This signals sustained investor confidence in tech profitability despite recent concerns about Big Tech's AI capital spending. Strong inflows suggest investors expect the momentum to persist heading into year-end.
What to watch
The Nasdaq did experience a minor 2.8% pullback in June as investors rotated into small caps and worried about Big Tech's AI expenditures, though the trade stabilized in early July and the index remains above June lows. Monitor whether inflows remain strong as companies continue heavy infrastructure investment.
The surge in tech inflows reflects a confluence of factors outlined in the article: aggressive capital deployment in AI infrastructure, strong earnings revisions, and confidence in the tech sector's near-term profitability. The second quarter's 21.4% Nasdaq gain represents the strongest quarterly performance since the immediate post-pandemic recovery, signaling that investors' appetite for tech remains robust despite periodic concerns about valuation and spending levels.
The article notes that a brief rotation out of tech in June—triggered by worry over Big Tech's AI capital expenditures and a shift toward small caps—did not derail the broader inflows. The stabilization in early July and the index's position above June lows suggest that the underlying appetite for tech-focused investments has reasserted itself. With forward earnings estimates for the S&P 500 revised upward 18% since year-start, the strongest revision rate since 2000 and led by tech, the body's framing implies that investor confidence rests on concrete earnings expectations rather than pure momentum alone.
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