NEW YORK (AP) -- Stocks are closing out their worst week of the new year.
The Standard & Poor's 500 ended a shortened trading week down 0.7 percent. That's the biggest fall for the index this year and the worst since the week ended Dec. 16, 2011.
Stock trading will be closed for the Good Friday holiday.
Investors sold stocks on fears that Spain may have trouble paying back its debt. On Thursday, the interest rate on a key Spanish government bond rose to its highest since November.
The S&P 500 fell less than one point to 1,398. The Dow Jones industrial average fell 15 points to 13,060. The Nasdaq rose 12 points to 3,080.
More stocks fell than rose on the New York Stock Exchange. Volume was light at 3.3 billion shares.