Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. Home Depot (HD) downgraded to Neutral from Buy at Guggenheim with analyst Steven Forbes saying he finds it hard to see a path to EBIT margin expansion in 2020 given the company's planned investment spending. 2. The Medicines Co. (MDCO) downgraded to Neutral from Buy at Citi with analyst Joel Beatty saying the shares are up ~40% since the initial topline Phase 3 results were announced in late August. 3. Actuant (ATU) downgraded to Sector Weight from Overweight at KeyBanc and to Hold from Buy at Gabelli. 4. EverQuote (EVER) downgraded to Underperform from Buy at BofA/Merrill with analyst Nat Schindler saying he remains positive on EverQuote's underlying business and long-term growth potential, but is concerned with valuation given recent outperformance as shares are up 500% year-to-date. 5. Atlas Air (AAWW) downgraded to Neutral from Positive at Susquehanna. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.

Erste Group downgraded Home Depot to Hold from Buy.