more devices using rechargeable batteries for hurting its business. energizer's quarterly results certainly lost some power, down from a year ago and coming in well short of estimates. energizer stock dove almost 10% on a big jump in volume. two other earnings misses-- archer daniels midland came up two pennies shy of estimates; the stock fell more than 6%. and clorox was a nickel lighter than expectations; shares fell 4%. finally, a trio of better-than- expected earnings. pfizer came in three cents over estimates, but was down from a year ago. the stock fell 1%. mastercard blew away forecasts and shares jumped 3%. medco health rallied 11%. and that's tonight's "market focus."