Amazon stock has significantly underperformed the market so far in 2022, losing 40% of its value. Investors doubt the sustained profitability of the retail business in view of massive cost increases.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: Amazon stock has significantly underperformed the market so far in 2022, losing 40% of its value. Investors doubt the sustained profitability of the retail business in view of massive cost increases.
### Response: moderately negative