PayPal Inc.

Starting next year, customers will be able to use PayPal-branded charge cards at more than 7 million locations, which currently accept Discover cards.

If you’re a small-business owner, you know about Square Inc., the service that accepts credit card payments through mobile devices.

Yahoo! Inc. has appointed a new chief executive officer, Scott Thompson, who left his post as president of eBay Inc.’s PayPal division.