Analysts' Upgrades, Downgrades: Wyeth

Change in Ratings

Bed Bath & Beyond (BBBY Quote) upgraded at Goldman Sachs to Buy from Neutral based on valuation and eventual margin rebound as Linens N' Things completes liquidation. Price target reduced to $26 from $31.

Petrobras (PBR Quote) downgraded at Credit Suisse to Neutral from Outperform. Cites concerns over deteriorating cost structure and earnings outlook following the decline in crude. Lowered target to $30 from $48.

Progressive (PGR Quote) upgraded at Citigroup from Sell to Hold. $13.50 price target. Price cuts appear to have run their course, though the company lacks material catalysts.

Wyeth (WYE Quote) added to Conviction Buy List at Goldman based on valuation. Believe company offers a break-up value of $50 a share, noting that assets are underappreciated due to overhang of core pharma business. Price target at $46.

Stock Comments/EPS Changes

DryShips (DRYS Quote) target cut at Credit Suisse to $30 from $50 based on recent acquisitions, which stretches balance sheet, and equity offering announcement. Maintained Outperform rating.

Google (GOOG Quote) numbers cut at Citigroup. Shares now seen reaching $450. Estimates also lowered, to reflect new negative datapoints since earnings. Buy rating.

Hologic (HOLX Quote) numbers cut at Morgan Stanley. Shares now seen reaching $20. Estimates also lowered, to match the company's new guidance. Overweight rating.

Las Vegas Sands (LVS Quote) target cut at Goldman to $9.50 from $25, based on weak Q3 results and dilutive effect of $2.1 billion capital raise. Maintained Buy rating.

Rockwell Automation (ROK Quote) numbers cut at Morgan Stanley. Shares now seen reaching $33. Estimates also lowered, to reflect slowing end-market demand. Underweight rating.