In Wednesday trading, the Dow Jones industrial average closed up 147 points, or 1 percent, to 15,677.
The Nasdaq rose 38 points, or 1 percent, to 3,782.
The S&P 500 rose 21 points, or 1 percent, to 1,726.
The LABJ Stock Index rose 2 points, or 1 percent, to 174