CONCLUDED By Connor Smith An artificial intelligence rally was boosting the S&P 500 in an otherwise mixed day for stocks. The S&P 500 was up 0.2% on a day when only 180 stocks in the index were trading higher. The Nasdaq Composite rose 0.5%, while the Dow Jones Industrial Average fell 195 points, or 0.4%. Only three of the major S&P sectors were rising: consumer discretionary was up 1.8%, tech was up 0.4%, and utilities were up 0.2%. Those three sectors all include stocks benefitting from the AI trade. Topi ...