Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Darden (DRI) upgraded to Buy from Hold at SunTrust with Jake Bartlett citing his view that its multiple will expand with modest comp sales outperformance beyond fiscal 2018, accelerating unit growth, resumed acquisitions and a higher dividend. 2. Wingstop (WING) upgraded to Outperform from Neutral at Wedbush with analyst Nick Setyan saying he believes drivers of same store sales growth and margin upside relative to current consensus 2018 and 2019 estimates exist. 3. LabCorp (LH) upgraded to Overweight from Sector Weight at KeyBanc with analyst Donald Hooker saying he sees LabCorp and Quest Diagnostics (DGX) benefiting over time from their recent contracts with United Healthcare (UNH) and Aetna (AET). 4. Carrizo Oil & Gas (CRZO) upgraded to Buy from Hold at Tudor Pickering. 5. Canadian Solar (CSIQ) upgraded to Neutral from Underweight at JPMorgan with analyst Paul Coster saying risks from China's new solar policy appear priced in the shares at current levels. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage,
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