Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Synergy Resources (SYRG) upgraded to Buy at Cantor by analyst Brad Carpenter, who said he is now more confident in the "quality of the company's newly expanded and redefined footprint in the Wattenberg Fairway." 2. MiX Telematics (MIXT) upgraded to Overweight at First Analysis with analyst Howard Smith saying the company's Q4 results were solid amid a "weak backdrop" and it is well positioned in the fast-growing fleet telematics space. 3. NuVasive (NUVA) upgraded to Overweight at Barclays by analyst Matthew Taylor, who said the company is positioned for "strong" top-line growth and can top guidance in 2016 and consensus estimates in 2017-2018. 4. Vivint Solar (VSLR) upgraded to Buy at Deutsche Bank with analyst Vishal Shah saying Vivint is in a strong position to achieve its 2016 installation targets. 5. Guess (GES) upgraded to Hold at Miller Tabak citing valuation as shares near the firm's $15 price target. 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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