Guggenheim initiated coverage of Amazon.com (AMZN) with a Buy rating and $300 price target. The retail sector still seems to be perceived as "structurally sick," but the firm says that "holiday brought the cheer," tariffs have been manageable so far and "most importantly and likely going unnoticed" is the fact that the majority of the firm's coverage actually operates at, or close to, their gross margin peaks. Guggenheim also started Nike (NKE), Ross Stores (ROST), Birkenstock (BIRK), Under Armour (UAA), ...