Shares of Sina (SINA -7.5%) crumble after the tech company agrees to follow the Chinese...

|About: Sina Corporation (SINA)|By:, SA News Editor

Shares of Sina (SINA -7.5%) crumble after the tech company agrees to follow the Chinese government's directive to tighten control on its Weibo microblogging service, as censors fight an increasingly uphill battle to control internet chatter in China and keep 200M users from becoming agitators. Unfortunately for Sina, if the service becomes too restricted - users may flock to another Twitter-like service.