Read More Technology Industry News Marvell (MRVL) earns an S&P 500 promotion on the same brutal day its stock fell nearly 17% Marvell will join the S&P 500 on June 22, but the news landed the day its stock fell 16.7% in the chip rout, after a 50% surge on Huang's "trillion-dollar" call. bySrinathJune 8, 2026