At 2:37 pm ET, the Dow Jones Industrial Average was up 0.68 percent at 24,808.33 points, while the S&P 500 had gained 1.07 percent to 2,691.38.
The Nasdaq Composite added 1.58 percent to 7,124.47.
Benchmark U.S. 10-year Treasury yields were near their session highs at 2.8894 percent, but a key measure of near-term volatility fell, in contrast to its reaction to strong U.S. jobs and wages data earlier in the month.
The CBOE Volatility index was down at 20.27 points, slipping below 20 for the first time since Feb. 5 and well below the 50-point mark it hit during last week's sell-off.
The VIX slipping below 20 is "a very good sign," said Bucky Hellwig, senior vice president at BB&T Wealth Management. "It shows the volatility is getting priced out of the market."
Ten of the 11 major S&P 500 sectors rose, with financials and information technology jumping over 3.6 percent. Fossil surged more than 60 percent after the watchmaker's strong holiday-quarter sales and a rush among short-sellers to cover their positions.
Chipotle Mexican Grill jumped about 14 percent after it hired Brian Niccol from Taco Bell as its next chief executive, which analysts said sparked hopes of a quicker turnaround.
Advancing issues outnumbered declining ones on the NYSE by a 2.35-to-1 ratio; on Nasdaq, a 2.91-to-1 ratio favored advancers.
This article was provided by Reuters.