Activist investor
Starboard, which helped appoint directors to Riot’s board last year, made its views known in a public letter signed by
Shares of Riot climbed 8.8% to $15.94 at 12:23 p.m. in New York trading Wednesday, giving the company a market value of about $6.5 billion.
Riot is among the largest public Bitcoin mining companies in the US, operating some of ...