Photo by Drew Angerer/Getty Images News via Getty Images Square (SQ) stock jumps 3.1% after CEO Jack Dorsey tweets that the company is considering making a hardware wallet for bitcoin."If we do it, we would build it entirely in the open, from software to hardware design, and in collaboration with the community," Dorsey said.Bitcoin, however, is down 4.2% over the past 24 hours, trading at ~$37K after Elon Musk indicates a split with the crypto.