Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Tyson Foods (TSN) upgraded to Outperform from Market Perform at Bernstein with analyst Alexia Howard saying as livestock slaughter remains meaningfully below the year-ago level, the industry average pork and beef packer margins have reached record levels. 2. Oshkosh (OSK) upgraded to Conviction Buy from Buy at Goldman Sachs with analyst Jerry Revich saying he believes access equipment orders and backlogs are approaching trough, and that construction equipment capacity utilization has inflected off April lows and is set to improve further amid limited supply. 3. Wells Fargo (WFC) upgraded to Buy from Hold at Deutsche Bank. 4. American Eagle (AEO) upgraded to Equal Weight from Underweight at Morgan Stanley with analyst Kimberly Greenberger saying she believes renewed inventory and operating expense discipline could lead to upside for its EBIT margin and thinks the company's liquidity "appears appropriate." 5. SeaWorld (SEAS) upgraded to Buy from Neutral at Citi with analyst Jason Bazinet saying he expects "ongoing challenges in a post-COVID environment" and models 2022 attendance 5% below 2019 levels. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.