Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Steven Madden (SHOO) upgraded to Buy from Neutral at B. Riley by analyst Jeff Van Sinderen, who said last week's footwear show and latest channel checks underscore the company's potential for growth. 2. Illumina (ILMN) upgraded to Buy from Hold at Evercore ISI by analyst Ross Muken following customer checks that lead him to above consensus revenue forecasts. Muken believes Illumina will sell 750-1,300 NovaSeq boxes over the next several years as sequencing enters a new era of utility. 3. Carnival (CCL) upgraded Buy from Hold by Argus analyst John Staszak, who now believes that "continued " improvement in demand for cruises will improve the company's earnings and margins. 4. Cempra (CEMP) upgraded to Buy at Roth Capital by analyst Michael Higgins after the company announced positive Phase 3 results in the first of two skin infection studies with Taksta, and ahead of bone data in 2017. The analyst also raised his price target on the shares to $8 from $2.50. 5. Unilever (UN) upgraded to Neutral from Underperform at BofA Merrill Lynch by analyst David Hayes, citing valuation and his belief that the strategic review could accelerate margin development targets over the next 4 years. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.