US close: Volatile day ends on a high
(SCHW) $19.42 +21.00% S&P 500 - Fallers Dr. Pepper Snapple Group Inc. (DPS) $18.22 -12.86% KB Home (KBH) $11.74 -5.90% MBIA Inc. (MBI) $6.00 -5.36% Prudential Fincl Inc. (PRU) $25.40 -4.30% Humana Inc. (HUM) $31.46 -3.79% Supervalu Inc. ...