By Dan Weil Wood’s flagship fund has seen an inflow of investment dollars this year, despite falling in value. Renowned investor Cathie Wood, chief executive of Ark Investment Management, on Friday bought some of her old favorite stocks, including a laser communications company. She also sold an old favorite. All the valuations listed below are as of Friday’s close. Wood’s flagship Ark Innovation ETF (ARKK) – Get ARK Innovation ETF Report purchased 434,167 of online securities brokerage Robinhood (HOOD) – Get Robinhood Markets, Inc. Class A Report, valued at $4.5 million. Ark Innovation snagge…