Analysts' Upgrades, Downgrades: Caterpillar

NEW YORK (TheStreet.com) -- CHANGE IN RATINGS

AmerisourceBergen (ABC Quote) upgraded at Argus from Hold to Buy. $25 price target. Company is performing well through the recession.

Barrick Gold (ABX Quote) downgraded at CIBC from Outperformer to Sector Performer. $43 price target. Company is facing increased hedge book risk and costs.

Atmel (ATML Quote) downgraded at Goldman to Neutral from Buy. Estimates for FY09 raised to ($0.05) from ($0.10). The firm believes that the market is fully valuing the co.'s strong microcontroller franchise and that restructuring catalysts for the disposal of the ASIC business have now passed. Maintained $4.50 target price.

Chubb (CB Quote) upgraded at Argus from Hold to Buy. $54 price target. Valuation call, based on the company's very strong balance sheet.

CBS (CBS Quote) downgraded at Natixis from Hold to Sell. $6 price target. Valuation call, as the company has more advertising dependency than its peers.

DISH Network (DISH Quote) upgraded at Credit Suisse to Outperform from Neutral. The firm believes that the co. is nearing an inflection point as its fundamentals are stabilizing after the challenges it has faced over the past 18 months. Increased price target to $22 from $18.

Human Genome (HGSI Quote) upgraded at ThinkEquity from Accumulate to Buy. $26 price target. Benlysta estimates are too conservative.

Hologic (HOLX Quote) estimates, target boosted at Barclays through 2010. On the other hand, sales uncertainty remains. Equal-weight rating and new $15 price target.

Hologic (HOLX Quote) downgraded at Citigroup from Buy to Hold, Citigroup said $16 price target. Valuation call, as the company lacks near-term catalysts.