The stock market once again finished with mixed performance on Thursday, as major benchmarks moved in different directions. Weakness in technology stocks pulled the Nasdaq Composite down more than other key indexes, but the Dow Jones Industrials spent much of the day in record territory. In the absence of major news on the macroeconomic or geopolitical fronts, investors are content to watch what’s happening with corporate earnings, and crosscurrents in different sectors are playing out as a tug of war between bulls and bears.