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: Top 10 Warren Buffett Dividend Stocks 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. MGM Resorts International Casino resort operator MGM ( MGM) was recently upgrade to hold from sell at Citigroup, reflecting the refinancing of its CityCenter debt as well as signs of recovery in Las Vegas. MGM shows up in the portfolio of John Paulson at Paulson & Co., comprising 2.2% of his total portfolio. Stock Fundamentals: MGM has traded in a 52-week range of $8.92 to $16.85 and closed at $16.76 on Friday. It has a market cap of $7.9 billion and a 2.7 short interest ratio. Analyst Ratings: Of 24 analysts covering the stock, six rate it a buy, 15 rate it a hold, and 3 rate it a sell. TheStreet Ratings has a D hold rating on MGM. Earnings Estimates: Analysts expect MGM to report a loss of 23 cents a share in the most recent quarter, compared with a loss of 25 cents in the year-ago quarter, and a full-year loss of $1.09, compared with a loss of 92 cents in the previous year. More on MGM: MGM ranked No. 3 in a recent poll of TheStreet readers to determine the casino stock winners of 2011; competitor Las Vegas Sands ( LVS) wa No. 1. Last month, Roberto Pedone highlighted MGM as one of four stocks poised to break out, foreseeing further upside for the stock.