By Dan Weil Asset manager Cathie Wood of Ark Investment Management continues to buy and divest. She sees long-term strength for her funds. Investment star Cathie Wood, chief executive of Ark Investment Management, continues to be active in technology-related stocks, buying, and mostly selling, some big names on Friday. Ark Next Generation ETF (ARKW) – Get ARK Next Generation Internet ETF Report purchased 20,624 shares of cybersecurity company Okta (OKTA) – Get Okta, Inc. Class A Report, valued at $3.3 million as of Friday’s close. As for the selling, Wood continued to dump what little shares s…