Wall Street's new bitcoin play: Square rises after saying it's testing support of the cryptocurrency
Traders have another potential stock play on bitcoin: Square. Jack Dorsey's company is testing support for bitcoin through its Cash payments app. "We're exploring how Square can make this experience faster and easier, and have rolled out this feature to a small number of Cash app customers," a Square spokesperson said via email to CNBC. "We believe cryptocurrency can greatly impact the ability of individuals to participate in the global financial system and we're excited to learn more here."