In premarket trade, the U.S.-listed shares of Chinese app makers slumped as investors responded to news of a crackdown. Didi Global
DIDI,
-5.30%
shares dropped 24% in very early preopen trade, after the Cyberspace Administration of China forced the removal of Didi's ride-hailing app over security concerns. Full Truck Alliance
YMM,
+2.26%
shares skidded 17%, and Kanzhun
BZ,
-2.13%
shares lost 10%, as their apps also were removed. Existing users of the apps are still allowed to use their services.