[Changxin Technology (688825.SH) rises 477.37%, stock price surpasses 50 yuan] According to Golden Finance, on July 27, Changxin Technology (688825.SH) rose 477.37%, with its stock price surpassing 50 yuan, reaching a new all-time high since its listing. The trading volume reached 114.4 billion yuan, with a turnover rate as high as 55%, and a market value of 3.34 trillion yuan, firmly ranking first in the A-share market.