TMG, CO-OP and Saylent all report increased transactions and amount spent.
CO-OP says artist supply and craft shop spending jumped 83% from 2013's Mother's Day weekend figures.
Technology is required to attract younger new members.
Promotion promised tree plantings for use of seldom-used cards.
Thursday shoppers showed up in study of Thanksgiving Day-Black Friday spending this year.
Black Friday spending up 8.1% this year, CO-OP says.