MOST NOTEWORTHY: UBS AG, Cepheid and ICT Group were today's noteworthy upgrades:

• Credit Suisse upgraded shares of UBS AG (NYSE: UBS) to Outperform from Neutral on valuation, as they believe the current share price implies a negative valuation of the company's securities unit.
• Piper upgraded shares of Cepheid (NASDAQ: CPHD) to Buy from Neutral to reflect the better-than-expected quarter to date GeneXpert placements and management's bullish outlook during their Annual Health Care Conference.
• ICT Group (NASDAQ: ICTG) was upgraded to Market Perform from Underperform at Friedman Billings following the company's reiteration of guidance last night. The firm believes shares are near a floor and that the company could be an attractive takeout candidate once business stabilizes.

OTHER UPGRADES:

• Deutsche Bank upgraded British Airways (OTC: BAIRY) to Buy from Hold.
• Lehman upgraded the packaging sector to Positive from Neutral and upgraded AptarGroup (NYSE: ATR) to Equal Weight from Underweight.
• JP Morgan upgraded Potash Corp. (NYSE: POT) to Overweight from Neutral.