By Dan Weil Wood’s flagship Ark Innovation ETF has fallen 54% this year, as her technology companies have stumbled. Renowned investor Cathie Wood, chief executive of Ark Investment Management, on Monday purchased a heavy dose of biotechnology stocks. All valuations below are as of Monday’s close. Ark funds bought 860,480 shares of Ginkgo Bioworks (DNA) , a biotech company, valued at $2.6 million. The stock has lost 65% year to date. Ark Genomic Revolution ETF (ARKG) – Get ARK Genomic Revolution ETF Report snatched 604,154 shares of Butterfly Network (BFLY) – Get Butterfly Network Inc. Class A …