Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Fitbit (FIT) upgraded to Buy from Neutral at DA Davidson analyst Tom Forte citing Q4 results and outlook for Q1 and FY19. 2. Hain Celestial (HAIN) upgraded to Overweight from Neutral at JPMorgan with analyst Ken Goldman citing the company's "compelling" investor day, the analyst has increased confidence in Hain's ability to drive margin growth over the next few years. 3. Athene Holding (ATH) upgraded to Outperform from Market Perform at BMO Capital with analyst James Fotheringham saying the valuation multiple on the stock may have finally passed its trough at its current 5.5-times two-year forward earnings multiple and believes that its core business should be valued at 6.4-times. 4. Wabco (WBC) upgraded to Neutral from Underweight at JPMorgan and to Hold from Sell at Vertical Research. 5. Globus Medical (GMED) upgraded to Buy from Neutral at UBS with analyst Matthew Taylor saying the company has delivered several quarters in a row of improving spine growth, which confirms robot placements are leading to implant pull-through. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.