After moving modestly higher early in the session, stocks have come under pressure over the course of the trading session on Friday. The major averages have all moved to the downside, adding to the losses posted in the previous session. In recent trading, the major averages have fallen to new lows for the session. The Nasdaq is down 431.12 points or 1.9 percent at 22,593.50, the S&P 500 is down 84.10 points or 1.3 percent at 6,651.01 and the Dow is down 364.63 points or 0.8 percent at 45,993.79.Stocks move ...