On May 26, shares of New Yisheng (300502.SZ), a frontrunner in the optical module industry, experienced a remarkable 6% surge, peaking at an intraday high of 698.71 yuan. The stock price briefly breached the 700-yuan threshold, marking a historic milestone. Consequently, the company's total market capitalization soared to nearly 700 billion yuan, reflecting a year-to-date cumulative increase exceeding 62%.
