Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Target (TGT) upgraded to Buy from Hold at Deutsche Bank with analyst Paul Trussell saying Target is "growing profitably" with EBITDA dollars up mid-single-digits in Q1, a pace that can be sustained through supply chain enhancements, market share gains in key categories often with higher margin private brands, and strong returns on remodels and new small format stores. 2. Owens-Illinois (OI) upgraded to Neutral from Sell at Goldman Sachs with analyst Brian Maguire saying the negative catalysts around lower volume and higher taxes have materialized with the stock underperforming since reporting a miss in Q2 earnings last week. 3. AB InBev (BUD) upgraded to Hold from Underperform at Jefferies with analyst saying the company is pivoting to growth while concerns on its leverage are easing. 4. CF Industries (CF) upgraded to Neutral from Underperform at BofA/Merrill with analyst Steve Byrne saying the company's "strong" Q2 results show operational strength and an improving outlook. 5. Builders FirstSource (BLDR) upgraded to In Line from Underperform at Evercore ISI. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.