Catch up on today's top five analyst initiations with this list compiled by The Fly: 1. DuPont (DD) initiated with an Overweight at Morgan Stanley. 2. Corteva (CTVA) was initiated with an Outperform at BMO Capital, an Equal Weight at Morgan Stanley, a Neutral at Goldman Sachs and Citi, as well as a Hold at SunTrust and Deutsche Bank. 3. Axcella (AXLA) was initiated with an Overweight at JPMorgan, an Outperform at SVB Leerink, and a Buy at Goldman Sachs. 4. Cortexyme (CRTX) was initiated with an Outperform at JMP Securities, a Buy at Canaccord, a Neutral at BofA/Merrill, and an Underperform at Credit Suisse. 5. Mayville Engineering (MEC) was initiated with an Outperform at Baird, a Buy at Jefferies and Citi, and a Neutral at UBS. This list is just a portion of The Fly's analyst coverage. To see The Fly's full Street Research coverage, click here.