Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Raytheon (RTN) upgraded to Overweight from Neutral at JPMorgan with analyst Seth Seifman saying the stock's outperformance thus far in September is a sign of increasing investor confidence in the outlook for Raytheon and for the United Technologies (UTX) combination, along with some mean reversion. 2. Uber (UBER) and Lyft (LYFT) upgraded to Buy from Hold at HSBC. 3. Schlumberger (SLB) upgraded to Overweight from Equal Weight at Barclays with analyst J. David Anderson saying new CEO Olivier Le Peuch "hit all the right notes" as he repositions the company to succeed in a lower growth environment. 4. RE/MAX Holdings (RMAX) upgraded to Outperform from Market Perform at JMP Securities. 5. Esperion (ESPR) upgraded to Neutral from Sell at Goldman Sachs with analyst Paul Choi saying he now sees less risk of the launch performance of bempedoic acid disappointing over the intermediate term since 2019-2022 consensus revenue estimates have come down "meaningfully." This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.