The three major U.S. stock indexes all closed lower.

格隆汇 March 20｜The three major US stock indices closed lower collectively, with the Dow Jones down 0.44%, the Nasdaq down 0.28%, and the S&P 500 Index down 0.28%. Gold mining stocks declined, with Newmont Mining down nearly 7%, Harmony Gold down over 6%, Coeur Mining down over 5%, and Kinross Gold down over 5%. Optical communication concept stocks led the gains, with Lumentum up over 10%, Applied Optoelectronics up over 10%, and Coherent up over 7%. Storage stocks showed mixed performance, with Seagate Technology up over 6%, Western Digital up nearly 4%, and Micron Technology down over 3%.