On Wednesday, Cathie Wood-led Ark Invest made significant trades in Roku Inc (NASDAQ:ROKU) and Coinbase Global Inc (NASDAQ:COIN), amidst a volatile market. These prominent trades were part of a series of transactions carried out by Ark’s various ETFs. The ROKU Trade ARK Innovation ETF (NYSE:ARKK) and ARK Next Generation Internet ETF (NYSE:ARKW) bought 127,540 shares in Roku Inc. The ARKK fund acquired 106,420 shares, while the ARKW fund added 21,120 shares. The transaction amounted to $7.3 million. On Wednesday, Roku shares closed 4.6% higher at $57.16 in the regular session. Notably, Wood’s f…