Microsoft's stock higher on CEO's retirement report
NEW YORK (AP) - Microsoft had its biggest gain in four years after CEO Steve Ballmer said he will retire. Ballmer took the helm of the software company from founder Bill Gates in 2000.
Microsoft rose $2.36, or 7.3 percent, to $34.75 after Ballmer's retirement was announced.
The company has struggled to adapt as consumers switch from desktop computing to mobile devices
The giant software company is part of the 30-member Dow and its surge contributed more than a third of the index's advance.
A big jump in Microsoft helped lift the Dow Jones industrial average Friday.
