Catch up on today's top five analyst upgrades with this list compiled by The Fly: Home Depot (HD) upgraded to Outperform from Market Perform at Raymond James with analyst Budd Bugatch saying the company continues to execute at a "world-class level." 2. Mylan (MYL) upgraded to Buy from Neutral at Citi with analyst Liav Abraham saying the company is best positioned to execute in a challenging operating environment for generics. 3. Biogen (BIIB) upgraded to Conviction Buy from Buy at Goldman Sachs with analyst Terence Flynn saying he continues to see optionality Aducanumab, its lead pipeline Alzheimer's drug. 4. Zions Bancorp (ZION) upgraded to Buy from Neutral at BofA/Merrill with analyst Erika Najarian saying she believes investors are discounting two catalysts for earnings upside including benefits from regulatory reform for regionals and continued improvement in expense management. 5. Paychex (PAYX) upgraded to Equal Weight from Underweight at Morgan Stanley with analyst Danyal Hussain saying expectations adequately capture downside risks and the valuation premium is the lowest since 2008. 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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