Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Children's Place (PLCE) upgraded to Overweight at Piper Jaffray by analyst Stephanie Wissink, who said improving brand equity and financial engineering provide a favorable setup for the shares. 2. Enable Midstream (ENBL) upgraded to Outperform at Credit Suisse by analyst John Edwards citing relative valuation and views units as oversold. 3. Norwegian Cruise Line (NCLH) upgraded to Buy at SunTrust based on strong cruise pricing data. 4. Vitae Pharmaceuticals (VTAE) upgraded to Buy and Outperform at Stifel and JMP Securities, respectively, after the better-than-expected results were reported for the company's psoriasis treatment, VTP-43742. Stifel believes that the results of the study have increased the value of the drug and it thinks the drug has significant potential. 5. Superior Energy (SPN) upgraded to Overweight at Morgan Stanley by analyst Ole Slorer, who said near-term risks, including a dividend suspension and potential covenant breath, are reflected in shares and views it as one of the few ways to play a recovery in US onshore services. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.