Benzinga's Top Upgrades, Downgrades For December 28, 2018

Top Upgrades

• Wedbush upgraded Wingstop Inc WING from Neutral to Outperform. Wingstop shares rose 1.9 percent to $61.73 in pre-market trading.
• Stifel Nicolaus upgraded Casella Waste Systems Inc. CWST from Hold to Buy. Casella Waste shares rose 0.11 percent to $26.42 in pre-market trading.
• DZ Bank upgraded Adobe Inc ADBE from Hold to Buy. Adobe rose 1.4 percent to $228.18 in pre-market trading.

Top Downgrades

• KBC Securities downgraded Materialise NV MTLS from Buy to Hold. Materialise shares rose 0.2 percent to close at $20.07 on Thursday.