MOST NOTEWORTHY:

• GlaxoSmithKline (NYSE: GSK) was upgraded to Hold from Sell at Societe General on valuation.

• Jefferies upgraded shares of RF Micro Devices (NASDAQ: RFMD) to Buy from Hold and raised the target to $9.00 from $7.00 after their channel checks indicated RFMD's business has improved since its last earnings call.

• Cowen raised BMC Software (NYSE: BMC) to Neutral from Underperform citing valuation and improvements in the cash flow for their upgrade.

• Susquehanna upgraded Tween Brands (NYSE: TWB) to Positive from Neutral based on Justice's performance and recent buyback activity...

• Lenovo Group Ltd (OTC: LNVGY) was upgraded at Credit Suisse to Neutral from Underperform; JP Morgan upgraded Lenovo to Overweight from Neutral.

• Morgan Keegan upgraded Symmetricom, Inc (NASDAQ: SYMM) to Outperform from Market Perform.

• Goldman upgraded CDI Corp (NYSE: CDI) to Buy from Neutral.

• Stifel raised MedCath Corp (NASDAQ: MDTH) to Buy from Hold.

• Soleil upgraded VA Software Corp (NASDAQ: LNUX) to Hold from Sell.

Analyst upgrades 5-25-07: GSK, LNVGY, RFMD and TWB originally appeared on BloggingStocks on Fri, 25 May 2007 11:01:00 EST. Please see our terms for use of feeds.