Amazon.com Inc's shares tumbled about 13% in premarket trading, with the online retailer coming close to losing its spot in the trillion-dollar company club, after forecasting holiday-quarter sales below Wall Street estimates.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: Amazon.com Inc's shares tumbled about 13% in premarket trading, with the online retailer coming close to losing its spot in the trillion-dollar company club, after forecasting holiday-quarter sales below Wall Street estimates.
### Response: moderately negative