*APPLE SEES 3Q REV. $52.5B TO $54.5B, EST. $52.22B *APPLE TO BUY BACK UP TO ADDED $75 BILLION IN SHARES *APPLE 2Q EPS $2.46, EST. $2.37 *APPLE 2Q REV. $58B, EST. $57.49B *APPLE 2Q IPHONE REVENUE $31.05B, EST. $30.50B *APPLE 2Q SERVICE REV. $11.45B