Amid Coinbase, which trades as COIN, tumbling about 8% on Thursday, Cathie Wood’s investment manager ARK Invest bought the biggest amount of the stock since the start of 2023. On March 9, ARK purchased 301,437 Coinbase shares ($17.5 million) for its ARK Innovation exchange-traded fund, known as ARKK, according to an investor notification seen by Cointelegraph.










