The three major US stock indices all opened lower, while the optical communication sector continued its upward trend.

TechFlow news, August 10, according to Bitget market data, as the US stock market opened, the Dow fell 0.1%, the S&P 500 Index fell 0.06%, and the Nasdaq fell 0.06%. Apple (AAPL.O) fell 2.1%, Jefferies downgraded the company's rating; Intel (INTC.O) fell 4%, the company announced plans to issue $15 billion in common stock. Microsoft (MSFT.O) rose 1.4%, the company will significantly increase AI chip production. Meta Platforms (META.O) rose 1.16%, the company launched the lightweight AI model Muse Glimmer. The optical communication sector continued its upward trend, Marvell Technology and Lumentum rose over 4%, Coherent and Credo rose over 2%.