US stocks mostly fell on Tuesday as weakness in Big Tech weighed on the broader indexes.

The week’s biggest news for Wall Street is likely arriving on Friday, when Federal Reserve Chair Jerome Powell will give a highly anticipated speech in Jackson Hole, Wyoming. The setting has been home to big policy announcements from the Fed in the past, and the hope on Wall Street is that Powell will hint that an interest rate cut is coming soon.

Asian shares were mostly higher on Thursday after a mixed finish on Wall Street, where shares in Nvidia, Palantir and other superstar stocks pared their earlier steep losses.

Traders pinned some of the decline on a report released late on Monday by a branch of the Massachusetts Institute of Technology in which researchers said that “95 per cent of organisations are gettin...

Citron Research published a scathing report on Palantir, saying that even if the defense name traded at $40 — 75 percent below current levels — it would still be “expensive” relative to history.