U.S. stocks jumped at the open on Wednesday, recovering from a sharp sell-off triggered by concerns over rising inflation and the new Omicron coronavirus variant. The Dow Jones Industrial Average rose 195.22 points, or 0.57 percent, at the open to 34,678.94. The S&P 500 opened higher by 35.82 points, or 0.78 percent, at 4,602.82. The Nasdaq Composite gained 214.58 points, or 1.38 percent, to 15,752.27 at the opening bell.