Cathie Wood’s ARK ETF trades have recently shifted focus to 3D Systems and exited Roblox stock. Wood’s investment decisions have caught the attention of many investors as she continues to make strategic moves within her ETF portfolio. The move to invest in 3D Systems shows Wood’s confidence in the company’s potential for growth in the future. On the other hand, her decision to exit Roblox stock indicates a shift in her investment strategy. Wood’s ARK ETF trades continue to be closely monitored by investors looking for insights into the market.