Wall Street sent mixed signals this week: the Dow Jones Industrial Average climbed to a record high while a sell-off in artificial-intelligence-linked stocks kept the broader market from moving in lockstep.

According to the Los Angeles Times, the Dow hit a record as most of Wall Street rose, but slumping AI stocks left the major indexes mixed rather than uniformly higher. In other words, the strength was broad — just not universal.

The pressure came from some of the market's most closely watched names. Reporting carried by MSN noted that Tesla, Sandisk and other AI-related plays dived on Thursday, a drop sharp enough that the week didn't feel strong even though the market posted solid weekly gains overall.

Not every headline stock was falling. The same MSN item pointed to Apple and Robinhood flashing buy signals, suggesting investors were rotating toward certain names even as they pulled back from parts of the AI trade.

The split is a reminder of how much a handful of technology and AI stocks now shape the mood of the market. When a benchmark like the Dow — which is weighted differently and holds fewer pure AI names — can set a record on the same day that AI favorites tumble, it shows the market is not one single trade.

Why it matters: with AI stocks driving so much of recent market gains, a day when the Dow rises but those names fall signals that investors are becoming more selective about where the AI boom is actually paying off.