Benzinga's Top Upgrades, Downgrades For August 22, 2018

Stifel Nicolaus upgraded Mercadolibre Inc MELI from Hold to Buy. MercadoLibre shares rose 1.39 percent to $333.00 in pre-market trading.
Deutsche Bank upgraded YRC Worldwide Inc YRCW from Hold to Buy. YRC Worldwide shares rose 2.94 percent to $9.45 in pre-market trading.
Wells Fargo upgraded Landstar System, Inc. LSTR from Market Perform to Outperform. Landstar shares rose 0.78 percent to close at $115.65 on Tuesday.
Sidoti & Co. upgraded Systemax Inc. SYX from Neutral to Buy. Systemax shares closed at $35.98 on Tuesday.

Wells Fargo downgraded AT&T Inc. T from Outperform to Market Perform. AT&T shares fell 0.54 percent to $33.22 in pre-market trading.
Cowen & Co. downgraded J.Jill Inc JILL from Outperform to Market Perform. J.Jill shares fell 3.5 percent to $6.61 in pre-market trading.
PiperJaffray downgraded Starbucks Corporation SBUX from Overweight to Neutral. Starbucks shares fell 1.02 percent to $53.45 in pre-market trading.
JMP Securities downgraded Marcus & Millichap Inc MMI from Market Outperform to Market Perform. Marcus & Millichap shares rose 0.52 percent to close at $38.50 on Tuesday.
SunTrust Robinson Humphrey downgraded Premier Inc PINC from Buy to Hold. Premier shares fell 2.18 percent to $42.99 in pre-market trading.
Stifel Nicolaus downgraded Zoetis Inc ZTS from Buy to Hold. Zoetis shares fell 0.88 percent to $91.28 in pre-market trading.
Societe Generale downgraded Coty Inc COTY from Buy to Hold. Coty shares rose 0.09 percent to $11.53 in pre-market trading.
Raymond James downgraded Finisar Corporation FNSR from Outperform to Market Perform. Finisar shares fell 2.4 percent to $19.13 in pre-market trading.
Moffett Nathanson downgraded Centurylink Inc CTL from Neutral to Sell. CenturyLink shares fell 1.58 percent to $23.60 in pre-market trading.
Goldman Sachs downgraded Public Storage PSA from Neutral to Sell. Public Storage shares fell 0.67 percent to close at $220.86 on Tuesday.

Stifel Nicolaus initiated Cardiovascular Systems Inc CSII with a Buy rating. The price target for Cardiovascular Systems is set to $45. Cardiovascular Systems shares closed at $38.03 on Tuesday.
Janney Capital initiated coverage on Nightstar Therapeutics PLC NITE with a Buy rating. The price target for Nightstar Therapeutics is set to $34. Nightstar Therapeutics shares closed at $19.79 on Tuesday.
Analysts at Stifel Nicolaus initiated coverage on Wright Medical Group NV WMGI with a Buy rating. The price target for Wright Medical is set to $34. Wright Medical shares closed at $27.49 on Tuesday.
Deutsche Bank initiated coverage on Endava PLC - ADR DAVA with a Hold rating. The price target for Endava is set to $29. Endava shares closed at $25.50 on Tuesday.