SAN FRANCISCO (MarketWatch) โ With Microsoft Corp.โs $7.2 billion deal to finally buy Nokia Corp.โs mobile phone business, retiring CEO Steve Ballmer is putting what may be his last imprint on the software giant. Whether Microsoftโs MSFT -0.05% competitive position in the smartphone arena will improve by acquiring its main hardware partner is the big question. But Ballmer, who is […]

