Top Upgrades

• Analysts at Raymond James upgraded Bed Bath & Beyond Inc. (NASDAQ:BBBY) from Market Perform to Strong Buy. Bed Bath & Beyond shares rose 20.9 percent to $16.77 in pre-market trading.
• William Blair upgraded Vertex Pharmaceuticals Incorporated (NASDAQ:VRTX) from Market Perform to Outperform. Vertex Pharmaceuticals shares closed at $183.85 on Monday.
• Analysts at Macquarie upgraded Allegiant Travel Company (NASDAQ:ALGT) from Neutral to Outperform. Allegiant Travel shares closed at $121.97 on Monday.
• Deutsche Bank upgraded BB&T Corporation (NYSE:BBT) from Hold to Buy. BB&T shares rose 1.2 percent to $45.39 in pre-market trading.

Top Downgrades

• Roth Capital downgraded Conatus Pharmaceuticals Inc (NASDAQ:CNAT) from Buy to Neutral. Conatus Pharmaceuticals shares closed at $1.20 on Monday.
• Goldman Sachs downgraded Tenaris SA (NYSE:TS) from Neutral to Sell. Tenaris shares fell 0.6 percent to $28.80 in pre-market trading.
• Baird downgraded TIER REIT Inc (NYSE:TIER) from Outperform to Neutral. Tier REIT shares closed at $27.26 on Monday.
• H.C. Wainwright downgraded Pointer Telocation Ltd (NASDAQ:PNTR) from Buy to Neutral. Pointer Telocation shares closed at $15.72 on Monday.
• SunTrust Robinson Humphrey downgraded Criteo SA (NASDAQ:CRTO) from Buy to Hold. Criteo shares fell 3.5 percent to $21.22 in pre-market trading.
• Nomura downgraded Cheetah Mobile Inc (NYSE:CMCM) from Buy to Neutral. Cheetah Mobile shares closed at $7.01 on Monday.
• Barclays downgraded Public Storage (NYSE:PSA) from Equal-Weight to Underweight. Public Storage shares closed at $224.24 on Monday.
• KeyBanc downgraded Criteo SA (NASDAQ:CRTO) from Overweight to Sector Weight. Criteo shares fell 3.5 percent to $21.22 in pre-market trading.
• Wells Fargo downgraded Equity Lifestyle Properties, Inc. (NYSE:ELS) from Outperform to Market Perform. Equity Lifestyle Props shares closed at $114.32 on Monday.

Top Initiations