Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Lowe's (LOW) upgraded to Overweight from Equal Weight at Barclays with analyst Karen Short saying total comp expectations for Q3 may be too high due to the expected drag from Canada as well as ongoing weakness in e-commerce, but believe the U.S. comp estimate of 3.6% "is what matters and is more achievable." 2. Sony (SNE) upgraded to Buy from Neutral at UBS. 3. Ensign Group (ENSG) upgraded to Buy from Hold at Stifel with analyst Chad Vanacore saying he sees a potential real estate spin-off or sale on the horizon. 4. Lyft (LYFT) upgraded to Buy from Neutral at Goldman Sachs with analyst Heath Terry saying the company reported better than expected Q3 revenue and management noted a trend toward higher prices across the industry, incremental engagement per rider, and a less promotional competitive environment. 5. Brinker (EAT) upgraded to Overweight from Neutral at Piper Jaffray with analyst Nicole Miller Regan saygin the company's return to EBITDA growth should drive a re-rating of the multiple. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.