Chip stocks tumbled on July 7, 2026, driven by anxieties regarding the sustainability and justification of massive investments in artificial intelligence. This selloff impacted broader markets, with the NASDAQ 100 falling by 1.8% and the S&P 500 down by about half a percent by the close. The Philadelphia Semiconductor Index, a key indicator for the sector, dropped by approximately 5.5%.
Contributing to the unease were reports from companies like Samsung, whose shares plunged 8% despite a reported 19-fold surge in quarterly profits. Investors were not impressed, suggesting that "sky-high expectations" set for AI-related companies were not being met, even with strong financial results. Similarly, SK Hynix, a South Korean memory chip maker, also experienced extreme swings.
Analysts noted that while AI remains a revolutionary technology, the market is currently burdened by soaring investor expectations. Romaine Bostick highlighted that a historical earnings cycle faces a significantly higher bar, making it challenging for markets to keep pace with earnings projections. The volatility index for the NASDAQ has been averaging a read of about 28 since the beginning of June, compared to 17 for the VIX for the broader S&P, indicating increased market nervousness, particularly as earnings season approaches.
This negative sentiment contrasts with yesterday's performance (July 6, 2026) where chipmakers had led stocks higher. However, the current downturn is prompting questions about the timing and realization of benefits from AI investments, with a key question being how long it will take for these investments to show up clearly in company results.