Catch up on today’s top five analyst upgrades with this list compiled by The Fly: 1. Merck (MRK) upgraded to Buy from Neutral at Citi with analyst Andrew Baum saying while Merck’s non-Keytruda business continues to erode, the market is undervaluing both the ultimate patient derived xenograft market size and Merck’s likely market share with Keytruda. 2. GoPro (GPRO) upgraded to Buy from Neutral at Longbow with analyst Joe Wittine noting that the stock’s valuation has returned to early 2017 levels, which he views as “misguided” given the execution improvement made since that time. 3. Omnicom (OMC) upgraded to Outperform from Market Perform at Telsey Advisory with analyst Tom Eagan saying Omnicom’s North American growth for the third quarter was up 2.1%, a turnaround from the first half of 2017 deceleration. 4. Magna (MGA) upgraded to Buy from Underperform at BofA/Merrill with analyst John Murphy upgrading Magna two notches and saying the company has the expertise in numerous components and architectures of the vehicle that provide a unique competitive advantage in the evolution of the automotive industry towards technological advancement. 5. Grainger (GWW) upgraded to Outperform from Perform at Oppenheimer with analyst Christopher Glynn citing the company’s third quarter results. 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)