Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Computer Programs (CPSI) upgraded to Outperform from Market Perform at Wells Fargo with analyst Jamie Stockton saying while the company reported "relatively weak" Q1 bookings and indicated Q2 sales and profits would be under pressure, management has worked hard to enhance the platform. 2. GW Pharmaceuticals (GWPH) upgraded to Outperform from Perform at Oppenheimer with analyst Esther Rajavelu noting the company reported "strong" Epidiolex uptake and more importantly, shared positive topline results from a Phase 3 study of Epidiolex in patients with seizures associated with tuberous sclerosis complex. 3. Vivint Solar (VSLR) upgraded to Buy from Neutral at Citi with analyst Praful Mehta saying customer demand for solar distributed generation continues to be high and larger players like Vivint will be well positioned to capture this growth. 4. CyrusOne (CONE) upgraded to Buy from Hold at Berenberg with analyst Nate Crossett stating he believes now is the time to own the stock for its outsized exposure to the European colocation market, contending that CyrusOne has the highest growth potential of the providers with a large wholesale component. 5. Duluth Holdings (DLTH) upgraded to Outperform from Neutral at Baird with analyst Jonathan Komp sayingthat while he has been disappointed by its recent financial performance, he believes reset earnings expectations and negative sentiment provide downside protection. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.