Just over two years
cheap levofloxacin The Dow Jones industrial average rose 259.83 points,or 1.47 percent, to 17,895.22, the S&P 500 gained 25.71points, or 1.26 percent, to 2,065.95 and the Nasdaq Composite added 43.35 points, or 0.89 percent, to 4,893.29.