Cathie Wood's ARK exchange-traded funds snapped up shares of DocuSign during the 42% nosedive for the online-signature company, according to the firm's disclosures. Led by the ARK Innovation ETF /zigman2/quotes/204808965/composite ARKK -0.26% , the funds bought $107.2 million shares of DocuSign, while the Innovation ETF sold $124.7 million worth of Tesla /zigman2/quotes/203558040/lastsale TSLA +0.71% shares on Friday.


