Analyst Upgrades

• Boeing (BA) to overweight from neutral at JPMorgan.
• Alcoa (AA) to buy from hold at Deutsche Bank.
• BP (BP) to outperform from market perform at Raymond James.
• Office Depot (ODP) and Staples (SPLS) to buy from neutral at Janney Capital.
• ON Semiconductor (ONNN) to buy from hold at Citigroup.
• Kennametal (KMT) and Polyone (POL) to buy from hold at KeyBanc.
• Airgas (ARG) to outperform from market perform at William Blair.
• EchoStar (SATS) to neutral from underperform at Macquarie.

Here are some highlights of this past week's earnings coverage from BloggingStocks:

• Applied Materials Inc. (NASDAQ: AMAT) first-quarter profits fell due to market conditions.
• Best Buy Inc. (NYSE: BBY) lowered its earnings forecast on declining sales.
• Campbell Soup Co. (NYSE: CPB) posted unexciting second-quarter results, but shares rose anyway.
• Chipotle Mexican Grill Inc. (NYSE: CMG) posted solid results but fell short of expecations.
• Comcast Corp. (NASDAQ: CMCSA) beat expectations and annouced it first dividend in a decade.
• Denny's Corp. (NASDAQ: DENN) fourth-quarter results were dragged down by the sale of restaurants.
• General Motors Corp. (NYSE: GM) posted a record loss and made a buyout offer to union employees.
• Hasbro Inc. (NYSE: HAS) post better-than-expected fourth-quarter results on popularity of the Transformers.
• Jones Apparel Group Inc. (NYSE: JNY) narrowed its loss in the fourth quarter as restructuring continued.
• Lions Gate Entertainment Corp. (NYSE: LGF) missed earnings estimates despite strong revenue growth.
• Marriott International Inc. (NYSE: MAR) profit fell on losses from discontinued operations.
• Molson Coors Brewing Co. (NYSE: TAP) beat estimates as profits rose 75%.
• PolyOne Corp. (NYSE: POL) beat expectations and raised its guidance.
• Schering-Plough Corp. (NYSE: SGP) beat expectations, excluding a charge for acquistion costs.
• UBS (NYSE: UBS) posted a big loss on write-downs due to the subprime crisis.
• VNUS Medical Technologies Inc. (NASDAQ: VNUS) beat expectations on strength overseas.
• World Wrestling Entertainment (NYSE: WWE) beat expectations despite weakness in its movie business.

Also, Jim Cramer defends his interest in GM after its record loss.

Upcoming results to watch for include Wal-Mart (NYSE: WMT), Hewlett-Packard (NYSE: HPQ), OfficeMax (NYSE: OMX), Whole Foods (NASDAQ: WFMI), MGM Mirage (NYSE: MGM), JCPenney (NYSE: JCP), and Safeway (NYSE: SWY).

Visit AOL Money & Finance for more earnings coverage.

PolyOne Corporation (NYSE: POL) provides vinyl compounds, polymer coating systems, screen printing inks, engineered films, specialty resins, colors, additives and high performance compounds to 10,000 customers in 35 countries. The company also distributes a full range of resins from such manufacturers as Dow Chemical (NYSE: DOW) and DuPont (NYSE: DD). PolyOne operates from manufacturing facilities and joint ventures in North America, South America, Europe, Asia and Australia.

The firm surprised investors last week, when it announced Q4 EPS of 9 cents and revenues of $631.3 million. Analysts had been expecting 7 cents and $623.9 million. In discussing the solid quarter, the CEO particularly noted growth in the PolyOne construction-independent non-vinyl businesses. Management also guided FY08 revenues to about $2.91-$2.96 billion, versus Street consensus of $2.68 billion.