Sina (SINA -1.8%) trades lower after announcing chairman Yan Wang has resigned, and will be...

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

Sina (SINA -1.8%) trades lower after announcing chairman Yan Wang has resigned, and will be replaced by CEO Charles Chao. Wang, who has been Sina's chairman since he resigned as CEO in May '06, will remain a board member. (PR)