Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Okta (OKTA) upgraded to Buy from Neutral at Goldman Sachs with analyst Heather Bellini saying the company's "strong" results since its April 2017 initial public offering continue to demonstrate the growing role that identity is playing in the wider enterprise information technology ecosystem. 2. Dollar General (DG) upgraded to Overweight from Equal Weight at Barclays with analyst Karen Short saying the company is doing what all "best-in-class" retailers do, it is investing from a position of strength to enhance its competitive edge, even if it means near-term guidance disappoints. 3. Johnson Controls (JCI) upgraded to Outperform from Market Perform at Wells Fargo with the firm's analyst saying the timing is now better for the story to play out. 4. Drive Shack (DS) upgraded to Outperform from In-Line at Imperial Capital with analyst George Kelly saying he is optimistic that the company's new venues opening this summer and fall will perform better than Orlando, and longer-term, he believe Drive Shack's management will be able to "navigate the rapidly growing golf entertainment space." 5. Dentsply Sirona (XRAY) upgraded to Outperform from Market Perform at William Blair with analyst John Kreger citing what he viewed as a positive International Dental Show. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.