GM's Rick Wagoner was pushed out by the Obama administration in order to make way for a government led overhaul of the American automobile industry. The threat of bankruptcy for GM or Chrysler has the U.S. equity markets on edge and we're likely to see a lower open.
Keep longs and hedges in place and watch the floor of ~800 on the S&P. The Fib. from the January 943 top would suggest support levels of 805 and 772 and resistance of 838.
S&P 500 Closed Friday at 815.94