Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Post Holdings (POST) upgraded to Overweight from Neutral at Piper Jaffray with analyst Michael Lavery saying he expects "good" organic sales growth of 2%-3%) and still consider Post's portfolio attractive for cash generation. 2. Philip Morris (PM) upgraded to Overweight from Equal Weight at Barclays with analyst Gaurav Jain saying the company's new fiscal 2019 revenue growth guidance ex-currency of 6% is towards the higher end in staples. 3. KBR (KBR) upgraded to Outperform from Market Perform at Cowen with analyst Gautam Khanna citing abating overhangs, strong sales, an extreme sum-of-the-parts discount, and improving balance sheet flexibility. Khanna raised his price target to $31 from $23 on KBR shares. 4. WW (WW) upgraded to Buy from Neutral at DA Davidson with analyst Linda Bolton Weiser citing the improving sentiment toward the company's brands, taglines, and programs garnered from the Davidson Brand Sentiment Analysis as the company has already posted improved recruitment trends. 5. Skechers (SKX) upgraded to Outperform from Neutral at Wedbush. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.