Dollar General fell in early New York trading after the discount retailer reported second-quarter revenue below estimates. Abercrombie & Fitch shares dropped as the apparel retailer beat earnings estimates but its quarterly revenue came in short.
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Stock of JPMorgan Chase will be worth watching, on reports that the bank was one of a number of U.S. financials struck by hackers this month. Plus, reports out late on Wednesday suggest that BP's largest refinery has suffered an explosion.
The Treasury is scheduled to auction $29 billion in seven-year bonds on Thursday.
In geopolitical news, Kiev accused Moscow of launching a military incursion across its eastern border late on Wednesday.
Gold futures jumped $13.50, or 1.1 percent, to $1,296.90 an ounce and crude-oil futures added 12 cents, or 0.1 percent, to $94 a barrel.
The 10-year Treasury year note fell 2 basis points to 2.339 and the dollar edged higher against an index of other global currencies.