Stocks decline sharply for 2nd straight day

Stocks continued their sell-off on Thursday, with the Dow closing down 546 points. The S&P fell more than 2%, and the Nasdaq dropped over 1%, at one point even entering official "correction" territory.

The bottom line: Volatility was the story. Stocks turned positive early but then the Dow fell as much as 650 points before recovering some ground.

Data: Yahoo! Finance; Chart: Lazaro Gamio/Axios