https://www.reuters.com/article/us-coinbase-ark/cathie-woods-ark-buys-246-million-of-coinbase-shares-sells-some-in-tesla-idUSKBN2C20QL >LONDON (Reuters) -Cathie Wood's Ark funds bought $246 million worth of Coinbase shares on the cryptocurrency exchange's Nasdaq debut on Wednesday and sold some Tesla shares, according to their daily fund trading summary.