After enjoying a broadly healthy run-up at the start of September, markets were again on the back foot as traders reassess their growth outlook for this year in light of the fast-spreading Delta variant
Under the new rules passed by China's top legislative body, state-run and private companies handling personal information will be required to reduce data collection and obtain user consent
The pan-European STOXX 600 shed 0.5% by 0710 GMT, falling for a second straight session after the index marked its longest winning streak in over a decade
Hong Kong sank one percent to extended Monday's drop of more than four percent after investors were spooked by Beijing's latest move to tighten its grip on the economy
Tencent is Huya's biggest shareholder with 36.9% and also owns over a third of DouYu, with both firms listed in the United States, and worth a combined $5.3 billion in market value.
All crypto mines in the sparsely populated but coal- and hydropower-rich regions of Inner Mongolia and Qinghai were also ordered to shut down in recent months
Tencent, the world's largest gaming firm by revenue, booked profit of 47.77 billion yuan ($7.42 billion) for the three months through March, higher than the average analyst estimates published by Refinitiv of 35.45 billion yuan.
The results come as Chinese regulators have stepped up an anti-trust clampdown on internet giants, and have already penalised Tencent rival Alibaba $2.75 billion.
China, which powers nearly 80 percent of the global cryptocurrency trade, relies on a particularly polluting type of coal, lignite, to power some of its mining.