The fight for your digital wallet is on By: CNBC.com News October 26, 2015 at 18:30 PM EDT Digital wallets are about to move from "nice to have" to "must have." Read More >> Related Stocks: AT&T Inc Alphabet-A American Express Apple JPMorgan Chase & Co MasterCard Paypal Holdings Target Corp Verizon Communications Visa Wal-Mart Stores, Inc.