Cathie Wood's Ark Invest has bought Pinterest shares after its stock fell 21%. The firm also sold shares of different firms, including Robinhood. Ark Invest Buys the Dip in Pinterest After 21% Stock Drop According to the firm's latest trade disclosures, Cathie Wood's Ark Invest bought 521,867 shares of Pinterest Inc. through its flagship funds,The post Cathie Wood's ARK Invest Swaps Robinhood Shares for Pinterest Despite Stock Slump appeared first on CoinGape.