Analyst upgrades, downgrades and initiations: DAI, GT, DB, FIATY, TXN ...

Analyst upgrades:

Goldman upgraded shares of Daimler (NYSE: DAI) to Buy from Neutral as it believes the company's restructuring and greater visibility on its outlook could be positive for the stock.
JP Morgan upgraded shares of Goodyear Tire (NYSE: GT) and Cooper Tire (NYSE: CTB) to Overweight from Neutral on expectations that industry volumes will improve in the coming quarters.
Friedman Billings upgraded Websense (NASDAQ: WBSN) following the company's better than expected preliminary Q1 results. The firm maintains a $17 target on shares.
Ruby Tuesday (NYSE: RT) was upgraded to Buy from Hold at KeyBanc.
Portfolio Recovery (NASDAQ: PRAA) was raised to Buy from Neutral at SunTrust.

Analyst downgrades:

Jefferies downgraded BigBand Networks (NASDAQ: BBND) to Underperform from Hold on valuation following the recent rally and remains concerned about the size and longevity of the SDV market. The firm raised their target price to $4.75 from $4.50.
Keefe Bruyette cut Franklin Resources (NYSE: BEN) to Market Perform from Outperform and removed the stock from their Best Ideas List due to valuation following the recent rally. Despite downgrading, the firm raised their price target on shares to $60 from $54.
Bernstein downgraded shares of Deutsche Bank (NYSE: DB) to Market Perform from Outperform as they believe credit losses will limit 2009 and 2010 earnings.
Fiat (OTC: FIATY) was lowered to Neutral from Conviction Buy at Goldman.
Garmin (NASDAQ: GRMN) was cut to Neutral from OUtperform at Baird.
Allianz (NYSE: AZ) was downgraded at JP Morgan to Neutral from Overweight.

Analyst initiations:

Friedman Billings reinitiated shares of Texas Instruments (NYSE: TXN) with a Market Perform rating as they believe the company's declining wireless business will slow its growth for several years. The firm set a $15 price target on the stock.
Merriman believes PolyMedix (OTC: PYMX) has a strong technology platform that targets multiple areas with high revenue generating potential. Shares were started with a Buy rating.
Citigroup initiated Computer Sciences (NYSE: CSC) with a Sell rating and expects the company's growth to be pressured over the next three to four quarters. The firm set a $30 price target on the stock.
Discovery (NASDAQ: DISCA) was started with a Hold rating and $18 target at Jefferies.
Whitney Holding (NASDAQ: WTNY) was assumed with a Sector Perform rating at RBC Capital.
Comstock Resources (NYSE: CRK) was initiated at SunTrust with a Buy rating and $44 target.