Backchat: Causing a ruckus with cryptos; Covid, sport and politics

Question: which person’s comments can shift an entire asset class?    The most obvious answer is US Federal Reserve chair Jerome Powell. But a strong second choice would be Elon Musk.    The South African billionaire electric vehicle maker/self-promoter has gleefully manipulated the value of Bitcoin this year, likely to his own benefit.    In late January, Musk added the hashtag #bitcoin to his Twitter bio, and two weeks later, on February 8, Tesla told th…