After shaking off early concerns that the U.S. would strike in Syria, the Dow Jones Industrial average experienced gains for a fourth day in a row, breaking the 15,000 level in Friday trading, CNBC reported.

The news agency explained the sharp bounce:

Stocks extended their gains for a fourth-straight session Friday, with the Dow reclaiming its psychologically-important 15,000 level, after President Obama eased initial jitters over Syria in his latest press conference.

Stocks earlier tumbled near session lows after Dow Jones quoted Putin as saying that Russia would continue arms sales and aid to Syria, even in the event of an external attack.