The telephone and wireless Internet provider said it plans to complete a stock buyback by mid-'13, depending on market conditions. UBS estimates that AT&T (NYSE:T)would spend about $7.5 bil in the first 6 months of '13 if that happens. On Thu. AT&T reported Q4 EPS of 44 cents, a penny below estimates. AT&T forecast '13 EPS growth to be in the "upper single digits or higher." Shares rose 0.8% to 34.02.