Stock market indexes climbed Wednesday, adding to the previous session's modest gains after well-received blue chip earnings reports. Dow Jones component Nike (NKE) and shipping giant FedEx (FDX) rallied despite mixed metrics, suggesting that oversold market conditions are now in play, just in time for a Santa Claus rally. X The Dow Jones Industrial Average rallied 1.1% in the first hour while the S&P 500 added 1.0%. Small caps attracted healthy buying interest, lifting the Russell 2000 nearly 1.4%. The Nasdaq composite matched blue chip gains, also up 1.1%. But Nasdaq and NYSE volume fell compared with the first hour...