** Shares of telecom provider AT&T T.N rise 3.3% to $23 premarket

** Co adds 432,000 net postpaid phone subscribers in Q2, topping FactSet estimate of 338,500

** Q2 adj. EPS 65 cents beats estimate of 59 cents - data compiled by LSEG

** Q2 revenue of $31.6 bln largely in line with estimate of $31.8 bln

** Up to last close, stock was down 10.4% YTD