The Dow Jones average fared the worst of the major indexes with its 0.5% drop, or loss of 224 points, despite a 3.2% gain for Apple AAPL. The 30-stock index sank below its 21-day exponential moving average. Caterpillar stock CAT was a loser on the Dow after a ratings downgrade.

S&P 500 futures are up 0.4%. Dow Jones Industrial Average futures are adding 0.3%. Nasdaq 100 futures are gaining 0.5%. On Wednesday, the Dow Jones Industrial Average rose 81 points, or 0.18%, to 44193,