Matrix USA Rating Changes 4/7 Apr 7, 2008 11:15AM

Upgrades:
Amkor Technology (Nasdaq: AMKR) from Hold to Buy; Astec Industries (Nasdaq: ASTE) from Hold to Buy; BP (NYSE: BP) from Hold to Strong Buy; Carlisle Companies (NYSE: CSL) from Buy to Strong Buy; Deckers Outdoor (Nasdaq: DECK) from Hold to Buy; Exponent (Nasdaq: EXPO) from Sell to ...