US stocks close mixed as Intel soars 23.6%

The three major U.S. stock indices closed mixed today. - S&P 500: +0.80% - Nasdaq: +1.63% - Dow Jones: -0.16% Semiconductor stocks showed strength, with Intel (INTC) soaring 23.6% to become the top performer among components of the Philadelphia Semiconductor Index. Arm (ARM) and AMD (AMD) also rose, gaining 14.76% and 13.91%, respectively. Meanwhile, newly listed X-Energy (XE) closed up 26.96% on its first day of trading.