This post is one in a series in which more than 60 newsletter advisors share their Top Stock Picks for 2011. This special report is courtesy of TheStockAdvisors.com.

"AboveNet Inc. (ABVT) is my pick for the single best stock for 2011; in line with my strategy, this was chosen from among stocks that had announced stock splits," says Neil Macneale.

The editor of 2-for-1 Stock Split Newsletter explains, "AboveNet provides broadband services to commercial and government clients requiring secure, very high-speed connections between major metropolitan areas in the U.S. and the UK.

Analyst Upgrades

• BofA/Merrill upgraded Eastman Chemical (EMN) to buy from neutral and raised its target to $82 from $80. The analyst upgraded shares based on valuation and expectations for strong earnings from fibers and performance chemicals.
• Bernstein upgraded Hershey (HSY) to market perform from underperform based on strong near-term category growth.
• Janney Montgomery upgraded Actuant (ATU) to buy from neutral with a $25 price target following the company's Q3 results.
• Infinera (INFN) was upgraded to buy from hold at Stifel Nicolaus.
• CTC Media (CTCM) was upgraded to buy from neutral at UBS.
• Williams (WMB) was upgraded to conviction buy from buy at Goldman.

Analyst upgrades:

• Deutsche Bank upgraded Blackrock (NYSE: BLK) to Buy from Hold as it believes the BGI acquisition is becoming more accretive with the market rally and that the company's core trends are healthy. The firm raised its target on shares to $230 from $180.
• Citigroup upgraded Burlington Northern (NYSE: BNI) to Hold from Sell as it believes the risk/reward on shares is balanced based on 2010 estimates. Citi raised its target on shares to $89 from $75.
• Auriga upgraded Eclipsys (NASDAQ: ECLP) to Buy from Hold on expectations the company's margin expansion initiatives will drive benefits in 2010 and 2011. The firm raised its target on shares to $24 from $16.
• Seagate (NASDAQ: STX) was upgraded to Overweight from Market Weight at Thomas Weisel and to Buy from Hold at Deutsche Bank.
• Web.com (NASDAQ: WWWW) was upgraded to Outperform from Market Perform at FBR Capital.
• CenturyTel (NYSE: CTL) was upgraded to Overweight from Equal Weight at Morgan Stanley.