Goldman Sachs shares fell more than 7% after the bank reported its worst earnings miss in a decade.
Didi is set to resume new user registration on Monday, according to its Weibo social-media account.
Alibaba Group Holding Ltd., a Chinese internet giant, saw its shares rise 3.41% on Wednesday.
Tencent Holdings Ltd. shares have surged in recent weeks on signs that China is preparing to end its crackdown on major tech firms and on optimism about the country's reopening.
This week's key developments in China markets include Beijing's accelerating pivot away from Covid Zero and the deep distrust of President Xi Jinping among American investors.