"The oil services and equipment industries have been a hotbed of M&A activity over the past few years, a trend that should continue into 2011," says energy sector specialist Elliott Gue.

The editor of The Energy Strategist explains, Three of my top 10 takeover plays hail from this part of the energy patch: Core Laboratories (CLB), Dresser-Rand (DRC) and Dril-Quip (DRQ).

"With a market capitalization of more than $100 billion, Schlumberger (SLB) should add to the dozens of acquisitions it's closed over the past few years.

Analyst Upgrades

• Goldman upgraded CSX (CSX) to neutral from sell.
• General Cable (BGC) was upgraded to buy from hold at KeyBanc.
• Morgan Stanley upgraded Chart Industries (GTLS) and Dresser Rand (DRC) to overweight from equal weight.
• Blackrock (BLK) was upgraded to outperform from neutral at Macquarie.
• Credit Suisse upgraded Zions Bancorp (ZION) to neutral from underperform and GameStop (GME) to outperform from neutral.
• Honeywell (HON) was upgraded to outperform from sector perform at RBC Capital.
• Panera Bread (PNRA) was upgraded to buy from neutral at SunTrust.

Analyst Upgrades

• Deutsche Bank upgraded Varian Semi (VARI) to buy from hold following the company's Q2 results and raised its target for shares to $42 from $27.
• Baird upgraded CommScope (CTV) to outperform from neutral following the Q1 report, citing improved visibility and growth. The firm raised its price target to $39 from $28.
• Needham upgraded Build-A-Bear Workshop (BBW) to strong buy from buy. The firm is more positive on the stock following the company's Q1 results and keeps a $13 price target.
• Spirit AeroSystems (SPR) was upgraded to outperform from neutral at Credit Suisse.
• Wynn Resorts (WYNN) was upgraded to neutral from underperform at Macquarie.
• UBS (UBS) was upgraded to market perform from underperform at FBR Capital.

Analyst Upgrades

• JPMorgan upgraded Deere (DE) to overweight from neutral and raised its target on shares to $65 from $52. JPMorgan believes the company's fundamentals are improving and sees signs of a recovery in forestry, turf and earth-moving equipment.
• Piper Jaffray upgraded Valmont (VMI) to neutral from underweight on valuation following the company's Q4 results. The firm lowered its target price on shares to $70 from $74.
• Soleil upgraded Group 1 Automotive (GPI) to buy from hold on valuation with a $36 price target. The firm believes negative news flow for Toyota has created an opportunity to accumulate shares.
• Bernstein upgraded Deutsche Telekom (DT) to outperform from market perform.
• Nucor (NUE) was upgraded to neutral from underperform at BofA/Merrill.
• American Eagle (AEO) was upgraded to outperform from market perform at Wells Fargo.

"We sense a turn for the better coming in the oil sector," says Peter Way who tracks 'big money' investors for his Block Trader Oil & Gas Report. Here's his look at the "big block" traders.

"When we use the hedging analysis employed in our stock price forecasts, there are significant differences between some adjacent futures expirations. Here's the current picture:

"Front month (November) hedging suggests likely near-term higher prices. But the December contracts are likely to continue the past 3-month price decline – briefly.

"After that we could see crude rise over a few months into the $115-125 area or even higher, providing a bullish backdrop for most energy stocks. We sense a turn for the better coming in this sector.

"Several issues are selling at attractive prices now. Among major integrated producers, the standout prospect among the big oils is Petrochina (NYSE: PTR).