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

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.

Shares on Wall Street dropped for a second successive day on Wednesday as weakness in the tech sector persisted while a key meeting of central bankers later this week remained in focus for currency and rates traders.

Wall Street is holding a bit steadier following the prior day’s swoon for Nvidia, Palantir and other darlings swept up in the mania around artificial-intelligence technology

Wall Street continues to drift Wednesday while news of a leadership change at Target took some of the spotlight away from the latest batch of corporate earnings reports.

A dealer watches his computer monitors near screens showing the Korea Composite Stock Price Index (KOSPI), left, the foreign exchange rate between US dollar and South Korean won and the Korean Securities Dealers Automated Quotations (KOSDAQ) at a dealing room of Hana Bank in Seoul, South Korea on Aug 20. (AP)

U.S. stock futures started Wednesday lower after a tech-led selloff caused by a report saying the majority of companies investing in generative AI have yet to see returns.

Wall Street's main indexes declined on Wednesday and the Nasdaq hit a two-week low as a rally in technology stocks cooled and caution prevailed ahead of the Federal Reserve's highly anticipated Jackson Hole symposium later this week After driving much of the market's recovery from the April selloff,