Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Wal-Mart (WMT) upgraded to Buy from Hold at Jefferies with analyst Daniel Binder saying Wal-Mart's store investments are driving improved store conditions. 2. Entergy (ETR) upgraded to Conviction Buy from Buy at Goldman with analysts led by Michael Lapides citing attractive valuation that implies little or no value for the small merchant nuclear portfolio, above average dividend yield, above consensus estimates, and the early June 2016 analyst day that could be a potential positive catalyst. 3. Regions Financial (RF) upgraded to Market Perform at Keefe Bruyette with analyst Jefferson Harralson citing valuation and his now above-consensus estimates. 4. SQM (SQM) upgraded to Outperform from Sector Perform at Scotiabank. 5. GrubHub (GRUB) upgraded to Buy from Neutral at Monness Crespi. 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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