Shares of technology companies rose, but not by as much as the broad market, as a rout in some of the riskiest stocks and investments continued. Shares of several companies formed through special-purpose acquisition companies fell sharply, including Digital World Acquisition, a social media holding company linked to former President Trump, which is reportedly under investigation by federal authorities. Lucid Group fell sharply after it received a subpoena from the Securities and Exchange Commission related to the SPAC deal that took the electric-vehicle company public this summer. Shares of online media concern BuzzFeed fell sharply after it went public in...