Gap, Aritzia and Urban Outfitters are among apparel retailers that should see margins expand, with the US' global tariff set at 15% -- vs. an average 20% for the sector -- after the Supreme Court struck down President Donald Trump's sweeping levies. Trump revised the blanket rate less than a day after announcing a 10% level, and is expected to pursue higher tariffs on China under Section 301. Bloomberg's Mary Ross Gilbert joins to discuss her research on the retailer sector and how tariffs are effecting certain brands. (Source: Bloomberg)