Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. First Solar (FSLR) double downgraded to Underweight from Overweight at Barclays with analyst Moses Sutton saying after assessing industry data on 5,000 projects, both operational and in the company's pipeline, the analyst believes First Solar's Systems business "is in trouble." 2. Beyond Meat (BYND) downgraded to Market Perform from Outperform at Bernstein with analyst Alexia Howard citing valuation. 3. Logitech (LOGI) downgraded to Neutral from Outperform at Wedbush with analyst Michael Pachter citing valuation. 4. Darling Ingredients (DAR) downgraded to Neutral from Overweight at JPMorgan analyst Thomas Palmer citing valuation. 5. Brandywine Realty (BDN) downgraded to Neutral from Buy at Mizuho with analyst Haendel St. Juste saying the company's future earnings and dividend outlook is "rather uncertain," which creates a "show me" story for investors before multiple expansion can occur. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.