[Changxin Technology Becomes the First Stock in A-Share History to Exceed 100 Billion Yuan in Single-Day Trading Volume] BlockBeats News, on July 27, Changxin Technology's trading volume exceeded 100 billion yuan, becoming the first stock in A-share history to surpass 100 billion yuan in single-day trading volume. It is currently up over 472%, with a turnover rate of nearly 49%.