UPGRADES:
JP Morgan upgrades Continental (NYSE: CAL) from Neutral to Overweight with a $13 price target, citing valuation after recent sell-off.

Credit Suisse upgrades Domtar (NYSE: UFS) from Neutral to Outperform.

UBS upgrades China Unicom (NYSE: CHU) from Neutral to Buy.

Needham upgrades Intuitive Surgical, Inc. (Nasdaq: ISRG) from Hold to Buy with a $180 price target.

For daily real-time Upgrades go to http://www.streetinsider.com/Upgrades

DOWNGRADES:
UBS downgrades Juniper (Nasdaq: JNPR) from Buy to Neutral, citing valuaiton.

J.P. Morgan downgrades Kadant (NYSE: KAI) from Overweight to Neutral.

Stifel Nicolaus downgrades AeroVironment (Nasdaq: AVAV) from Buy to Hold.

BB&T Capital downgrades Georgia Gulf