Cathie Wood’s ARK Innovation ETF is now buying Tesla Inc. stock, a reversal from its previous moves to trim its large stake in the electric-vehicle giant.The high-profile investor’s flagship ETF ARKK bought 93,965 shares of Tesla TSLA, -3.92% on Wednesday, which would be valued at $23.2 million at Wednesday’s closing price of$247.14.The purchase pushed Tesla’s stock up to second among the Innovation ETF’s holdings, with a weighting of 7.59%. That is still well below the top holding, which is Coinbase Globa ...