I didn't go to university can penegra be taken daily The Dow Jones industrial average fell 90.03 points or0.58 percent, to 15,522.10. The S&P 500 slipped 9.80points or 0.57 percent, to 1,697.34. The Nasdaq Composite Index dropped 27.67 points or 0.75 percent to 3,665.29.