Analysts at Piper Sandler on Thursday cut their revenue and iPhone sales estimates for Apple Inc's December quarter, as Beijing's strict lockdowns crimp production at the world's biggest iPhone factory in Zhengzhou, China.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: Analysts at Piper Sandler on Thursday cut their revenue and iPhone sales estimates for Apple Inc's December quarter, as Beijing's strict lockdowns crimp production at the world's biggest iPhone factory in Zhengzhou, China.
### Response: moderately negative