NEW YORK ( Stockpickr) -- At Stockpickr, we track daily portfolios of stocks with analyst upgrades and analyst downgrades. With a Stockpickr account ( sign up here), you can elect to receive email alerts when a stock in one of your user-generated portfolios shows up when we update these and other lists, including Insider Buys, Stocks With Unusual Options Activity and Top Percentage Gainers.We also track the top 30 holdings of various professional investors, including Warren Buffett and George Soros, according to their most recent 13F filings with the SEC. Related: 5 Stocks That Could Rebound in 2011 Today, we're taking a closer look at some recent stocks that have been upgraded by analysts and that also show up in at least one of Stockpickr's professional portfolios. Netflix Netflix ( NFLX) was recently upgraded to buy from hold at ThinkEquity, which has a $220 price target on the stock, and from underperform to market perform at Morgan Keegan, which cited solid earnings from the comapny. As of the most-recent reporting period, Netflix shows up in the portfolios of Louis Navellier at Navellier & Associates, at 2% of the total portfolio, and Renaissance Technologies, which increased its stake in the stock by 141.7% in reporting period. Stock Overview: Netflix is a provider of subscription service streaming movies and TV episodes over the Internet and sending DVDs by mail. It has traded in a 52-week range of $59.28to $218 and was recently at $213.05. It has a market cap of $11.4 billion and a 2.3 short interest ratio, and it trades at a P/E of 73.6. Analyst Ratings: Of 32 analysts covering the stock, 11 rate it a buy, 14 rate it a hold, and seven rate it a sell. TheStreet Ratings has a B+ buy rating on Netflix, earning it a spot on the top-rated Internet catalog and retail stocks list. Earnings: Netflix earned 87 cents a share, or $47.1 million, in its recently reported fourth quarter, on revenue of $596 million. In the year-ago quarter, the company earned 56 cents a share, or $30.9 million, on revenue of $445 million. The company also reported adding 3.1 million new subscribers during the quarter, pushing its subscriber base above 20 million for the first time. More on Netflix: Netflix was one of the worst-rated S&P 500 stocks for 2011, and according to Insider Monkey, it is one of 20 stocks analysts expect to dive the most. Jim Cramer recently highlighted the stock among former highfliers that could be ready to roll again.