NEW YORK (AP) -- Stock futures are falling a day after the Dow Jones industrial average posted its largest gain since early August.
Investors worried that Slovakia might not approve a plan to strengthen Europe's bailout fund. All 17 countries that use the euro must agree on the plan, which is considered essential to resolving the region's debt crisis. Sixteen countries have approved it so far.
In the U.S., Alcoa Inc. will become the first major company to report third-quarter results.
Ahead of the opening bell Tuesday, Dow industrial average futures are down 35, or 0.3 percent, at 11,333. Standard & Poor's 500 futures are down 6, or 0.5 percent, at 1,185. Nasdaq 100 futures are down 6, or 0.3 percent, at 2,271.
The Dow rose 330 points Monday, its largest gain since Aug. 11.