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Investor buys Google, other ‘platform’ plays

VIDEO3:1703:17
Platinum plays on three tech stocks

Ann Winblad, member of the "Squawk Box " Platinum Portfolio Challenge, likes three tech companies including Google that form the backbone of Silicon Valley.

The co-founder of Hummer Winblad Venture Partners said she looks for "companies that have clear business models" and create platforms that software ecosystems depend on.