U.S. stocks closed lower Friday as a week of mixed economic data, renewed dollar strength, and sharply lower oil prices made traders cautious ahead of next week's Federal Reserve (Fed) meeting. The dollar rose more than half a percent to a new 52-week high, for its first close above 100 since April 2003, while the euro extended losses to fall below $1.05. Light sweet crude oil for April delivery dropped $2.21 to $44.84 a barrel on the New York Mercantile Exchange, while gold futures increased 50 cents to $1,152.40 an ounce. The Dow Jones industrial average lost 145.65, or 0.81 percent, to 17,749.57. The broader Standard & Poor's 500 index fell 12.55, or 0.61 percent, to 2,053.40. The technology-heavy Nasdaq composite index declined 21.53, or 0.44 percent, to 4,871.76.