On October 29, Cathy Wood's ARK Investment Management released its latest trading records. The largest purchase of the day was AI chip manufacturer Cerebras Systems, with a total of 45,729 shares acquired through the ARKK and ARKW ETFs, valued at approximately $5.15 million. This marks ARK's second consecutive trading day of increasing its Cerebras position, having purchased 42,276 shares the previous day, for a cumulative total of 88,005 shares over the two days, with a transaction amount of approximately $10.19 million.