Options trader Chris Dattolo works on the floor of the New York Stock Exchange on Friday. (AP Photo/Richard Drew)

NEW YORK (AP) — More swings hit Wall Street on Friday, except the U.S. stock market finished higher this time.

After bobbing up and down through the morning, the S&P 500 took off and rallied nearly 2% before finishing with a gain of 1%. The Dow Jones Industrial Average climbed 493 points, or 1.1%, and the Nasdaq composite rose 0.9%.

It was a fitting finish for a week that left the S&P 500 just 4.2% below its record but also forced investors to stomach the sharpest hour-to-hour swings since a sell-off in April. The jarring moves are testing investors following a monthslong and remarkably smooth surge for stocks, and they come down to two basic questions, neither of which has

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