A rotation trade on Wall Street picked up pace this week. - MarketWatch photo illustration/iStockphoto After a brief reprieve, stocks linked to artificial-intelligence trade hit the skids this week, as investors once again shifted their money into anything with a whiff of value. Tired of paying up for trendy AI stocks trading at lofty valuations relative to their expected earnings, investors went bargain hunting after the Federal Reserve delivered another interest-rate cut on Wednesday. The move convince ...