Cathie Wood's ARK funds have invested $40 million in Nvidia shares after dumping $51 million worth of the chipmaker shares just last week.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: Cathie Wood's ARK funds have invested $40 million in Nvidia shares after dumping $51 million worth of the chipmaker shares just last week.
### Response: mildly positive