Morningstar StockInvestor editor Paul Larson on whether Google's new operating system is a real threat to Windows.
Motorola Mobility's deep patent portfolio was a key driver of Google's decision to snap up the handset maker, says Morningstar's Rick Summer.
Morningstar's Toan Tran and Larry Witt believe the combination of Microsoft and Yahoo will be more competitive against Google, but integration and other threats loom. (Video)
Morningstar markets editor Jeremy Glaser examines the damage after recent blows to Microsoft, BP, Facebook and others.
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