Chip-enabled 'smart' credit cards coming to US By: CNBC.com News June 09, 2014 at 14:34 PM EDT Sam's Club is just weeks away from becoming the first national retailer to offer its customers a chip-enabled "smart card." Read More >> Related Stocks: American Express Discover Financial Services Facebook MasterCard Target Corp Twitter, Inc. Visa Wal-Mart Stores, Inc.