Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. United Natural Foods (UNFI) downgraded to Sell from Hold at Pivotal Research with analyst Ajay Jain saying the potential for more disappointment remains following "continued operational setbacks" related to the Supervalu acquisition. 2. AB InBev (BUD) downgraded to Sector Perform from Top Pick at RBC Capital with analyst James Jones saying without further "transformational" acquisitions," AB InBev is unlikely to see incremental margin growth. 3. Toll Brothers (TOL) and Meritage Homes (MTH) were downgraded to Underweight from Neutral at JPMorgan. 4. Brighthouse Financial (BHF) downgraded to Hold from Buy at Sandler O'Neill with analyst John Barnidge saying the stock has been the best performing life insurer in its peer group year-to-date. Stating that his downgrade is not a valuation call. 5. Pengrowth (PGH) downgraded to Underperform from Sector Perform at National Bank. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.

Bullish option flow detected in Toll Brothers with 1,008 calls trading, 1.1x expected, and implied vol increasing over 1 point to 37.16%. 4/26 weekly 115 calls and 4/26 weekly 114 calls are the most active options, with total volume in those strikes near 320 contracts. The Put/Call Ratio is 0.54. Earnings are expected on May 21st.