Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. Fortinet (FTNT) downgraded to Neutral from Buy at UBS with analyst Fatima Boolani saying the company's momentum appears priced into the shares at current levels. 2. United Continental (UAL) downgraded to Neutral from Outperform at Macquarie with analyst Susan Donofrio citing valuation. 3. Workiva (WK) downgraded to Underweight from Equal Weight at Morgan Stanley with analyst Stan Zlotsky saying the stock is the best performer of all stocks covered by the firm's Software team given its 50% move up over the last three months, which he attributes to heightened investor expectations, the near-term benefits from an extremely strong period within capital markets, and enthusiasm about the new CEO. 4. Discovery (DISCA) downgraded to Sell from Hold at Pivotal Research with analyst Brian Wieser saying despite "tepid" earnings and "underwhelming" longer-term trends, the stock is up 20% over the past month. 5. Apache (APA) downgraded to Hold from Buy at Edward Jones. 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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