Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Exxon Mobil (XOM) upgraded to Market Perform from Underperform at Raymond James with analyst Justin Jenkins saying with the recent downdraft in the stock, it is the right time to get less negative in his for Exxon Mobil. 2. JetBlue (JBLU) and Spirit Airlines (SAVE) double upgraded to Overweight from Underweight with Southwest (LUV) upgraded to Neutral from Underweight at JPMorgan. 3. Lowe's (LOW) upgraded to Overweight from Neutral at Atlantic Equities with analyst Sam Hudson saying with the market now starting to look beyond tough FY21 compares, the hardline retail sector's position as a "structural Covid-19 winner is beginning to be appreciated." 4. Yum! Brands (YUM) upgraded to Buy from Hold at Argus with analyst John Staszak saying he is positive on the company's diverse brands, prospects for higher same-store sales, global operations, and asset-light business model. 5. Apollo Global (APO) upgraded to Outperform from Perform at Oppenheimer with analyst Chris Kotowski arguing that "if Athene is worth book," Apollo is a strong buy. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.