Palantir (PLTR 6.89%) stock recorded another day of big gains in Thursday's trading. The company's share price closed out the day up 6.9% amid the backdrop of a 2% gain for the S&P 500 and a 2.7% gain for the Nasdaq Composite. After big gains Tuesday and Wednesday, Palantir stock moved higher again in Thursday's trading as investors reacted to reports suggesting that the U.S. is making negotiations with large trade partners a priority.Despite comments from Chinese officials suggesting that meaningful discus ...