NEW YORK (TheStreet) -- Shares of Nimble Storage (NMBL) are up 8.18% to $30.19 after Morgan Stanley (MS) upgraded its rating to "overweight" from "equal-weight" with a $38. price target.
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Jana, Starboard and FrontFour and others bought shares in the third quarter.
Meg Whitman could bid for companies like Nimble Storage or Arista Networks