Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Alphabet (GOOG, GOOGL) upgraded to Buy at Stifel on forecast for durable growth with analyst Scott Devitt saying earlier this year he had concerns around topline deceleration, when revenue growth fell below 20% in Q1, but trends subsequently re-accelerated. 2. Facebook (FB) upgraded to Buy from Hold at Stifel with analyst John Egbert saying he is incrementally positive on the company's ability to sustain above-market ad revenue growth and maintain healthy levels of user growth and engagement following Facebook's Q3 earnings report. 3. Nike (NKE) upgraded to Conviction Buy from Neutral at Goldman Sachs with analyst Alexandra Walvis saying Nike is on the cusp of a "sharp acceleration" in earnings growth. 4. Brown & Brown (BRO) upgraded to Equal Weight from Underweight at Morgan Stanley with analyst Michael Phillips saying the benefits of a better property and casualty, or P&C, pricing environment accrue directly to brokers, who collect commission on higher prices but don't pay claims. 5. Yeti (YETI) upgraded to Buy from Neutral at Goldman Sachs with analyst Alexandra Walvis saying she increased her estimates to embed upside from the company's new distribution relationship with Lowe's (LOW). This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.