Cathie Wood-led Ark Invest sold approximately $2.3 million of Bullish shares on Monday. Ark also purchased approximately $3.4 million of Coinbase shares, $2.6 million of Circle shares and $645,819 of Robinhood shares. The Bullish sale involved 104,172 shares of the Peter Thiel-backed digital asset platform. Morgan Stanley analyst Michael Cyprys downgraded Coinbase on Monday, citing weaker trading activity, a softer revenue outlook and uncertainty after the Binance hack.