On Tuesday, Cathie Wood’s Ark Invest stayed active in a volatile tech tape, adding to several headline growth names while trimming others. The most notable move was another broad push into SpaceX (NASDAQ:SPCX), followed by sizable trades in Tesla Inc. (NASDAQ:TSLA), Nvidia Corp. (NASDAQ:NVDA), Amazon.com Inc. (NASDAQ:AMZN) and Alphabet Inc. (NASDAQ:GOOGL).