Before it went public, Facebook was one of the most highly anticipated investments on Wall Street.
But the social network has struggled to live up to the hype since its initial public offering went awry.
Facebook ( shares plunged almost immediately after they hit the market last May. The IPO was marred by )technical glitches and allegations that the deal's underwriters withheld information from certain investors.
While the stock regained some ground late last year, it is still well below its IPO price of $38 a share. The big challenge for Facebook, analysts say, is how it will make money off users who access the network on mobile devices.
In the topsy-turvy market of the past five years, these managers led their funds to the best performances. Here's what they're bullish on now.
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