Tech giants Alibaba and Tencent closed down more than 11% in Asia; search company Baidu was 12% lower while food delivery firm Meituan tanked more than 14%.
That makes it unlikely that anyone would challenge any "policy mistakes" that Xi makes which could hamper growth of the tech sector, Xin Sun, senior lecturer in Chinese and East Asian business, at King's College London said.
Under Xi's leadership, China has implemented a raft of policy that has tightened regulation on the tech sector in areas from data protection to governing the way in which algorithms can be used.
"Tech stocks have never been the best friend of Xi and it's clear that the market thinks that purge will continue," Justin Tang, head of Asian research at United First Partners, told CNBC.
As part of the leadership reshuffle in China, Li Qiang, party secretary of Shanghai is expected to be made premier next year.