Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. National Storage (NSA) upgraded to Buy from Hold at Jefferies with analyst George Hoglund saying he believes the recent weakness in the shares is overdone and presents a buying opportunity. 2. Cummins (CMI) upgraded to Overweight from Neutral at Piper Jaffray with analyst Alexander Potter saying his deep-dive analysis illuminates the likelihood of upside versus consensus estimates in the coming years. 3. Synnex (SNX) upgraded to Strong Buy from Buy at Needham with analyst Sean Hannon citing the company's business becoming "more diversified, experiencing healthy fundamental demand, and expanding its structural margin profile." 4. Cloudera (CLDR) upgraded to Buy from Neutral at DA Davidson and Nomura Instinet. 5. Washington Trust (WASH) upgraded to Buy from Hold at Sandler O'Neill withh analyst Mark Fitzgibbon saying management went out of their way to focus on their organic growth and "made a compelling argument that there is a dearth of good mid-size banks in New England." This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage,
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