Ark Invest led by Cathie Wood made significant trades in Amazon.com Inc (NASDAQ:AMZN), Reddit Inc (NYSE:RDDT), and Advanced Micro Devices Inc (NASDAQ:AMD) on Tuesday. Ark Fintech Innovation ETF (NYSE:ARKF), ARK Innovation ETF (NYSE:ARKK), ARK Next Generation Internet ETF (NYSE:ARKW), ARK Space Exploration & Innovation ETF (BATS:ARKX) and ARK Autonomous Technology & Robotics ETF (BATS:ARKQ) were among the ETFs that made these trades. The Reddit TradeArk Invest purchased 35,955 shares of Reddit through ARKF. At the last closing price of $54.36, this trade is valued at approximately $1.95 million…