Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. Juniper (JNPR) downgraded to Sell from Neutral at Goldman Sachs with analyst Rod Hall saying his detailed cloud installed base model suggests further transitional downside. 2. Zillow (Z, ZG) downgraded to Equal Weight from Overweight at Morgan Stanley with analyst Jonathan Lanterman citing the company's recently announced plans for a new home buying and selling business, Zillow Instant Offers. 3. Altria Group (MO) downgraded to Neutral from Buy at Citi with analyst Adam Spielman saying e-cigarette JUUL is beginning to disrupt U.S. cigarette industry. 4. Callaway Golf (ELY) downgraded to Neutral from Buy at DA Davidson with analyst Andrew Burns saying he expects a more balanced risk-reward in 2018 as further market share gains will be difficult to achieve. 5. GrubHub (GRUB) downgraded to Equal Weight from Overweight at Morgan Stanley with analyst Brian Nowak citing the company's 175% advance since the start of 2017. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage,
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