Accessibility StatementSkip Navigation PHILADELPHIA, Oct. 20, 2025 /PRNewswire/ -- National plaintiffs' law firm Berger Montague PC announces a class action lawsuit against Sina Corporation (Other: SINA) ("Sina" or the "Company") on behalf of investors who sold Sina shares, including those that sold into Sina's go-private merger, during the period from October 13, 2020 through March 22, 2021 (the "Class Period"). Investor Deadline: Investors who sold SINA securities during the Class Period may, no later ...