Twitter, Facebook, LinkedIn, and Google each have moats, but there are some interesting distinctions among their competitive advantages.
Morningstar analyst Rick Summer estimates a floor on the shares at $15, upside potential of $50, and a current scenario-weighted fair value of $26.
The Fed sits still, Facebook gets ahead of itself, Apple's quarter is good enough, and more.
It's all aboard for CSX, among others, in the index's quarterly rebalancing.
But investors should evaluate potential user and advertising growth before investing in the firm.
Social media site seeks $1.4 billion in biggest web offering since Facebook.
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