Shares in Riot Blockchain Inc. plummeted more than 33 percent in Friday trading on the day the company was investigated by CNBC. CNBC reported about "questionable moves" made by the company's ...
Mixed options sentiment in Riot Blockchain (RIOT), with shares up 58c, or 4.13%, near $14.74. Options volume roughly in line with average with 48k contracts traded and calls leading puts for a ...
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