As market sinks, investors brace for turbulence

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This Oct. 8. 2014 photo shows a Wall Street address carved into the side of a building in New York. U.S. stocks were solidly lower in early trading Thursday, Oct. 9, 2014, pruning back some of the gains from a massive rally the day before. Gap shares plunged after the company announced its CEO was retiring. (AP Photo/Mark Lennihan)NEW YORK (AP) — The stock market had its worst day of the year Thursday, just 24 hours after recording its best.