Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. Discovery (DISCA) downgraded to In-Line from Outperform at Imperial Capital with analyst David Miller citing valuation for the downgrade with the shares up over 20% since June 26. 2. Yelp (YELP) downgraded to Market Perform from Outperform at Raymond James, to Neutral from Outperform at Wedbush, to Neutral from Overweight at JPMorgan, and to Hold from Buy at Deutsche Bank. 3. Ctrip (CTRP) downgraded to Underperform from Buy at Daiwa, to Neutral from Buy at Nomura Instinet and UBS. 4. Skyworks (SWKS) downgraded to Neutral from Buy at BofA/Merrill and B. Riley FBR, as well as to Hold from Buy at Summit Insights. 5. Synaptics (SYNA) downgraded to Sector Weight from Overweight at KeyBanc with analyst John Vinh saying his latest latest carrier survey is indicating sell-through of the iPhone XR has been disappointing, with meaningful inventory starting to accumulate in store channels. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.