Citigroup this morning upgraded bank stock Charles Schwab Corp (NYSE:SCHW) to "buy" from "neutral," with a price-target hike to 102from85. The brokerage firm cited improving growth and balance sheet metrics as the company "shifts to offense," per The Fly. At last glance, SCHW was up 0.7% at 78.22. ThemajorityofanalystswerealreadybullishonCharlesSchwabcomingintotoday.Ofthe23firmsincoverage,17carrya"buy"orbetterrating,whilethe12−monthconsensuspricetargetof89.42 is a roug ...