Change in Ratings

Bed Bath & Beyond

(BBBY) - Get Report

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) - Get Report

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) - Get Report

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)

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) - Get Report

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) - Get Report

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

Hologic

(HOLX) - Get Report

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) - Get Report

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) - Get Report

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

Tyco

(TYC)

numbers lowered at Morgan Stanley. Estimates cut through 2010. Company is seeing slowness in a few businesses and is being hurt by the stronger dollar. Overweight rating and new $34 price target. Tyco price target trimmed at Goldman to $20 from $25 based on disappointing 2009 guidance, which implied 20% decline in earnings. Maintained Sell rating.

Strategy Calls/Market Calls

Morgan Stanley changes ratings on six chip stocks.

Broadcom

(BRCM)

,

Lattice Semiconductor

(LSCC) - Get Report

and

RF Micro Devices

(RFMD)

were downgraded to Underweight. The rating on

Altera

(ALTR) - Get Report

was also cut to Equal-weight, given rising inventories in the supply chain. On the other hand,

Analog Devices

(ADI) - Get Report

and

Linear Technology

(LLTC)

were upgraded from Equal-weight to Overweight.

This article was written by a staff member of TheStreet.com.