The S&P 500 (SNPINDEX:^GSPC) fell 0.37% to 6,556.37, and the Nasdaq Composite (NASDAQINDEX:^IXIC) dropped 0.84% to 21,761.89 on tech and software weakness. The Dow Jones Industrial Average (DJINDICES:^DJI) slipped 0.18% to 46,124.06 after a day of choppy, oil-driven trading. Market movers Oracle (NYSE:ORCL) slid almost 5%, extending a more than 50% retreat from its September peak. Software stocks, such as ServiceNow (NYSE:NOW) and Salesforce (NYSE:CRM) tumbled. Reports of new artificial intelligence (AI) ...