US stocks finished the first trading day of November mixed, with Big Tech names like Amazon (AMZN) and Nvidia (NVDA) rising near record-high levels, fueling a continued rally in the AI trade even as those gains weren't broadly distributed. The tech-heavy Nasdaq Composite (^IXIC) marched higher, rising about 0.5%. The S&P 500 (^GSPC) increased nearly 0.2%. The Dow Jones Industrial Average (^DJI), which includes fewer tech stocks, lost 0.5%. The general optimism that pervaded throughout October continued ...