shares in atkore inc rose in premarket trading on thursday after the company said revenue and earnings rose significantly in the fourth quarter and it would repurchase 400 million of its shares over the next two years at 621 am et shares were up 49 at 10809 the manufacturer and distributor of electrical mechanical and safety infrastructure solutions said earnings per share were 426 in the three months ended sept 30 up from 111 net income nearly quadrupled to 2026 million from 542 million a year earlier on revenue that grew 93 to 9237 million adjusted earnings per share were 439 beating analyst expectations of 384