Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. Goldman Sachs (GS) downgraded to Neutral from Buy at UBS with analyst Brennan Hawken saying the market seems to be pricing in an inflection in Goldman's trading revenue despite the recent weakness, suggesting a recovery is needed to justify 2018 consensus estimates. 2. Constellation Brands (STZ) downgraded to Neutral from Conviction Buy at Goldman Sachs. 3. Boston Beer (SAM) downgraded to Sell from Neutral at Goldman Sachs with analyst Judy Hong saying she sees further downside risk from weaker volumes and believes 2018 will be another year of volume decline and limited margin offset. 4. athenahealth (ATHN) downgraded to Underweight from Equal-Weight at First Analysis with analyst Frank Sparacino saying the valuation at current share levels is ahead of the underlying fundamentals in the short term. 5. PPG (PPG) was downgraded to Hold from Buy at SunTrust and to Neutral from Buy at BofA/Merrill. 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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