UPGRADES: Goldman Sachs upgraded Computer Sciences Corporation (NYSE: CSC) from Sell to Neutral and revised its 12-month price target from $46 to $54. UBS upgrades GlaxoSmithKline (NYSE: GSK) to Buy. UBS upgrades Sanofi-Aventis (NYSE: SNY) from Sell to Neutral. J.P. Morgan upgrades Barrick Gold (NYSE: ABX) from Neutral to Overweight. Price target increased from $40 to $54. FBR Capital upgrades Conseco Inc. (NYSE: CNO) to Outperform. Price target raised from $4 to $9. Wells Fargo upgrades Harley