AI stocks sold off sharply Friday after a Chinese model release rattled semiconductor names, even as CPI and bank earnings pointed to a resilient economy. Here is what to watch this week.
July 17, 2026
AI stocks sold off sharply Friday after a Chinese model release rattled semiconductor names, even as CPI and bank earnings pointed to a resilient economy. Here is what to watch this week.
The US stock market delivered mixed but resilient results this week, with the S&P 500 rising roughly 1.2%, the Nasdaq Composite advancing 1.8%, and the Russell 2000 declining 0.6%.
U.S. equities posted a solid advance in a holiday-shortened week, with markets closed Friday in observance of Independence Day and the bond market shutting early Thursday afternoon.
Equities closed the week with a notable divergence across market capitalization. The S&P 500 declined 2.0%, while the technology-heavy Nasdaq Composite fell more sharply, down 4.6%, as the index’s concentration in mega-cap names amplified the week’s AI-related volatility.
Equities posted solid gains in a holiday-shortened four-session week, with the S&P 500 advancing 1.4%, the Nasdaq Composite surging 2.7%, and the Russell 2000 adding 2.0%.
U.S. equities posted modest gains for the week ending June 12, 2026, with the S&P 500 advancing 0.7%, the Nasdaq Composite matching that at +0.7%, and the Russell 2000 delivering a standout +3.9% performance.
U.S. equity markets posted a negative week as strong economic data triggered a late sell-off in growth stocks. The S&P 500 declined 2.6%, the Nasdaq Composite fell 4.7%, and the Russell 2000 dropped 2.9%.
The Week That Was U.S. equities extended their powerful run this week, with the S&P 500 posting its eighth consecutive weekly gain—the longest streak since late 2023.
A six-week winning streak ended with a thud. Equities pushed to fresh records midweek — the S&P 500 crossed 7,500 and the Dow reclaimed 50,000 for the first time since February — before Friday’s sharp reversal erased the week’s gains.
AI Infrastructure Broadens, and So Does the Tape. Equities extended their advance for a sixth consecutive week, with the S&P 500, Nasdaq, and Russell 2000 all notching fresh record highs in the period.