Analysts at Piper Jaffray upgraded Emulex (NYSE:

) from “neutral” to “overweight.” The target price for Emulex has been raised from $8 to $9. Emulex's shares closed at $7.54 yesterday. Analysts at JP Morgan upgraded Heartland Express (NASDAQ:

) from “neutral to “overweight.” The target price for Heartland Express has been raised from $15 to $19. Heartland Express's shares closed at $14.32 yesterday. Goldman Sachs upgraded E-House (China) Holdings (NYSE:

) from “neutral” to “buy.” The target price for E-House has been raised from $9.08 to $13.14. E-House's shares closed at $9.47 yesterday. Analysts at Citigroup upgraded SeaWorld Entertainment (NYSE:

) from “neutral” to “buy.” The target price for SeaWorld Entertainment has been raised from $30 to $40. SeaWorld Entertainment's shares closed at $31.20 yesterday.