Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Akamai (AKAM) upgraded to Overweight from Neutral at JPMorgan, with analyst Sterling Auty saying management is embracing the right strategy proposed by activist investor Elliot Management by focusing on margin improvement, cybersecurity, and capital return. 2. Arthur J. Gallagher (AJG) upgraded to Outperform from Market Perform at William Blair, with analyst Adam Klauber saying an inflection point in funding mix should be a catalyst for the shares. 3. Williams (WMB) and Williams Partners (WPZ) were upgraded to Overweight from Neutral at JPMorgan. 4. 58.com (WUBA) upgraded to Buy from Hold at Benchmark, with analyst Fawne Jiang citing its strong operating leverage, which is leading to "robust" earnings growth. 5. Kohl's (KSS) upgraded to Outperform from Market Perform at Cowen, with analyst Oliver Chen saying he likes its improving fundamentals, modest valuation and sees mixed sentiment on the stock. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.