Standard & Poor’s (S&P) has just downgraded U.S. credit rating to AA+ from AAA. S&P analysis can be found here. THis dongrade presents investment opportunities in SLV, GLD, TBT, TBF, TLT, SPY and QQQ. S&P Analysis Here is an overview of the analysis by S&P: We have lowered our long-term sovereign credit rating on the UnitedStates of America to ‘AA+’ from ‘ AAA’ and affirmed the ‘A-1+’ short-term rating. We have also removed both the short- and long-term ratings fromCreditWatch negative. The downgrade reflects our opinion that the fiscal consolidation plan that Congress and the Administration recently agreed to falls