NEW YORK ( TheStreet) -- CHANGE IN RATINGS ADT ( ADT) rated new Outperform at Credit Suisse. $45 price target. Company has a low cost of capital and offers solid long-term value. Apollo ( APOL) downgraded at BofA/Merrill to Neutral, Bank of America/Merrill Lynch said. $28 price target. Company faces a significant transition period, given slower industry growth and rising competition. Alpha & Omega Semiconductor ( AOSL) downgraded to sell at TheStreet Ratings. Badger Meter ( BMI) upgraded to buy at TheStreet Ratings. Brown & Brown ( BRO) upgraded at KBW from Market Perform to Outperform, Keefe, Bruyette & Woods said. Valuation call, based on a $31 price target. Cisco Systems ( CSCO) downgraded at Cantor from Buy to Hold, Cantor Fitzgerald said. $19.50 price target. Valuation call, as the stock is up 26% from its July lows. Diebold ( DBD) downgraded at Compass Point from Buy to Neutral, Compass Point said. $33 price target. Company is seeing lower regional demand. Diebold downgraded at JP Morgan from Neutral to Underweight, JP Morgan said. Valuation call, based on a $31 price target. Fortinet ( FTNT) upgraded at Wunderlich from Hold to Buy, Wunderlich said. $28 price target. Stock is severely mispriced, after falling 18% in after-hours trading. Mellanox ( MLNX) rated new Market Perform at JMP. Valuation call, as the stock has already tripled year-to-date. National Bank ( NBHC) rated new Neutral at Sterne Agee. Valuation call. Annaly Capital ( NLY) upgraded at Compass Point from Neutral to Buy, Compass Point said. $17 price target. Buyback should help set a floor for the stock. Universal Display ( PANL) rated new Outperform at JMP. $50 price target. Company is a leader in the OLED market, which can double this year. Packaging Corp. ( PKG) downgraded at BMO from Outperform to Market Perform, BMO Capital said. $38 price target. Valuation call, as the stock is up 54% from its lows. PNC Financial ( PNC) downgraded at Stifel from Buy to Hold, Stifel Nicolaus said. Lower net interest margin is weighing on earnings. Sprint Nextel ( S) upgraded at Argus from Hold to Buy, Argus Research said. $7.50 price target. See arbitrage opportunity between the current price and Softbank's offer. Xylem ( XYL) rated new Neutral at DA Davidson. Valuation call, based on a $28 price target.