Topeka Capital gives retailers a boost upgrading Tiffany (TIF +2.5%) to Buy and initiating Gap (GPS +1.9%), and Zumiez (ZUMZ +15.7%) at Buy. TIF's "earnings are poised for recovery", GPS has "returned to consistent sales growth," and ZUMZ is "one of the few retailers with growth in its core domestic business [and an] international expansion strategy." (Earlier: ZUMZ rips higher on strong sales)