Palantir (PLTR 8.77%) stock is jumping in Wednesday's trading thanks to a combination of macroeconomic and business-specific catalysts. The company's share price was up 8% as of 1 p.m. ET. Meanwhile, the S&P 500 had risen 1.8%, and the Nasdaq Composite was up 2.6%.The Trump administration is signaling that it would like to get a trade deal done with China in the near term and bring tariffs between the two countries lower, and the stock market is rallying today in response. In addition to a bullish developme ...