By Dan Weil Cathie Wood, CEO of Ark Investment Management, reversed her stance on two major technology companies. Renowned investor Cathie Wood, chief executive of Ark Investment Management, in Tuesday trading reversed her stance on two major technology companies. For months she had been buying Coinbase Global (COIN) – Get Coinbase Global Inc Report, the country’s largest cryptocurrency exchange, and selling e-commerce platform Shopify (SHOP) – Get Shopify Inc. Class A Subordinate Report. But Ark went in the opposite directions on July 26. All valuations below are as of Tuesday’s close. Ark fu…