Catch up on today’s top five analyst upgrades with this list compiled by The Fly: 1. MercadoLibre (MELI) upgraded to Buy from Hold at Stifel with analyst Scott Devitt saying the company reported another strong quarter as volume on the platform accelerated sequentially in Brazil and Mexico. 2. Darden (DRI) upgraded to Outperform from Market Perform at Cowen with analyst Andrew Charles saying the analyst believes Olive Garden sales in fiscal 2023 will “overpower” cost and labor headwinds to deliver above-consensus earnings. 3. Ultragenyx (RARE) upgraded to Outperform from In Line at Evercore ISI with analyst Liisa Bayko saying the shares have been under pressure as the Angelman program has been “slow to get back up and running,” but management now has a good handle on what it will take to reinitiate the study, which should occur around the middle of this year with data updates by year-end. 4. Restaurant Brands (QSR) upgraded to Buy from Hold at Argus with analyst John Staszak saying the company’s emphasis on drive-through purchases should boost revenue going forward. 5. Zynga (ZNGA) upgraded to Buy from Neutral at BofA with analyst Ryan Gee saying the company reported a “strong” Q1 result with “sustainable” double-digit organic growth. This list is just a portion of The Fly’s full analyst coverage. To see The Fly’s full Street Research coverage, (click here.):(http://thefly.com/streetResearch.php)