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Stock market opens lower as debt talks continue

In this Thursday, Oct. 10, 2013 photo, trader Fred DeMarco, center, works on the floor of the New York Stock Exchange. Futures are mixed, Tuesday, Oct. 15, 2013, with Wall Street somewhat optimistic that lawmakers can overcome the dysfunction that has led to the 15th consecutive day of a partial government shutdown. (AP Photo/Richard Drew)

NEW YORK (AP) -- Stocks are heading lower as lawmakers continue to work on a deal to avoid a U.S. default and reopen the government.

The Dow Jones industrial average was down 60 points, or 0.4 percent, at 15,241 after the first few minutes of trading Tuesday.

The Standard & Poor's 500 index was down six points, or 0.4 percent, at 1,704. The Nasdaq composite fell four points, or 0.1 percent, to 3,812.

The U.S. is expected to reach its borrowing limit on Thursday, jeopardizing its ability to pay its bills. Meanwhile a partial shutdown of the government is in its 15th day.

Citigroup fell after reporting earnings that missed Wall Street's expectations. Johnson & Johnson rose after reporting higher earnings than Wall Street was expecting.