Musk’s tweet was made in response to an article based on remarks from the head of a cybersecurity firm, who in a radio interview last week accused him of “price manipulation” and selling a “big part” of his exposure. Photograph: Saul Loeb/AFP

Bitcoin hit a two-week peak just shy of $40,000 (€33,000) on Monday, after another weekend reacting to tweets from Tesla boss Elon Musk, who fended of(...)