On August 25th, the optical communication sector witnessed a notable rebound in its concept stocks. Marvell Technology stood out, with its stock price soaring by more than 7%. Not far behind, Coherent and Applied Optoelectronics also saw significant gains, each climbing over 4%. Nokia, Astera Labs, and Lumentum followed suit, all registering increases exceeding 3%. Meanwhile, Credo Technology and Corning also experienced a boost, with their stock prices rising over 2%.