regulator's assurance on new rules

The draft guidelines from China's National Press and Publication Administration last Friday sank the Hong Kong-listed shares of Tencent, NetEase and Bilibili — among the largest players in the world's biggest online gaming market. The proposed rules are aimed at prohibiting incentivizing daily sign-ins for games, among other revenue-generating practices.

On Wednesday, NetEase shares surged as much as 14% in early trading as Hong Kong markets returned from the Christmas holidays. The stock had plunged about 25% on Friday. Rival Tencent climbed almost 4.5% in early trading after shedding more than $43 billion in market value in Friday's rout