Today's noteworthy upgrades include: Alliance Data (ADS) upgraded on valuation at Stifel... AvalonBay (AVB) upgraded to Outperform from Neutral at Credit Suisse... Container Store (TCS) upgraded to Hold from Underweight at BB&T... Corporate Office Properties (OFC) upgraded to Neutral from Underperform at Credit Suisse... DiamondRock (DRH) upgraded to Outperform from Neutral at Credit Suisse... Eaton Vance (EV) upgraded to Neutral from Sell at Citi... Expeditors (EXPD) upgraded to Equal Weight from Underweight at Barclays... Federal Realty (FRT) upgraded to Outperform from Neutral at Credit Suisse... Fossil (FOSL) upgraded to Sector Weight from Underweight at KeyBanc... General Growth (GGP) upgraded to Outperform from Neutral at Credit Suisse... Highwoods Properties (HIW) upgraded to Overweight from Equalweight at Capital One... Hormel Foods (HRL) upgraded to Buy from Hold at Deutsche Bank... KCG Holdings (KCG) upgraded to Outperform from Market Perform at Wells Fargo... Kansas City Southern (KSU) upgraded to Outperform from Neutral at Macquarie... Keysight Technologies (KEYS) upgraded to Outperform from Neutral at Baird... Lockheed Martin (LMT) upgraded on free cash flow outlook at Sterne Agee CRT... Lumber Liquidators (LL) upgraded to Buy from Hold at Cantor... Maximus (MMS) upgraded to Buy from Neutral at Sidoti... Mid-Con Energy (MCEP) upgraded to Buy from Neutral at UBS... National Penn (NPBC) upgraded to Buy from Hold at Sandler O'Neill... Nissan (NSANY) upgraded to Overweight from Neutral at JPMorgan... Regency Centers (REG) upgraded to Neutral from Underperform at Credit Suisse... Signet Jewelers (SIG) upgraded to Buy from Neutral at UBS... Syntel (SYNT) upgraded to Outperform from Neutral at Baird... Vornado (VNO) upgraded to Neutral from Underperform at Credit Suisse... Youku Tudou (YOKU) upgraded to Neutral from Underperform at Mizuho.