PERKING UP: Recognizing that consumers are hungrier than ever for bigger bargains, Nordstrom Rack, the off-price division of Nordstrom Inc., is beefing up its loyalty program on June 3.

Nordstrom Rack net sales rose 6.6%, with comps up 3.5% at the banner. The Nordy Club changes come as other major brands have refreshed their loyalty programs over the recent past, including J.C ...