$ARWR - Arrowhead Pharma up 5% after Medicines Co. sale https://t.co/jT9j7V6AdL
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: $ARWR - Arrowhead Pharma up 5% after Medicines Co. sale https://t.co/jT9j7V6AdL
### Response: positive