Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. Mylan (MYL) downgraded to Neutral from Buy at Mizuho with analyst Irina Koffler saying the analyst initially believed Mylan's pipeline of complex generics and biosimilars would represent a "sustainable source of growth" relative to generic peers, but her view changed after more due diligence and competitor checks. 2. Eastman Chemical (EMN) downgraded to Neutral from Overweight at JPMorgan with analyst Jeffrey Zekauskas saying he believes raw material trends will probably pressure the company's year-ahead results. 3. CommScope (COMM) downgraded to Neutral from Buy at Nomura Instinet with analyst Jeffrey Kvaal saying the analyst continues to view CommScope as a long-term beneficiary of both mobile and fiber spending growth. 4. HP Inc. (HPQ) downgraded to Neutral from Overweight at JPMorgan with analyst Paul Coster saying despite the company's "excellent execution," the shares have limited catalysts ahead. 5. PepsiCo (PEP) downgraded to Neutral from Outperform at Macquarie with analyst Caroline Levy saying Pepsi reported solid Q3 organic sales growth of 5%, but EBIT margins fell do to increased brand spending, higher input costs abroad due to FX hikes, and higher freight. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.