What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.

Shares of Amazon.com Inc. AMZN, -3.95% slumped 3.8% toward a 3 1/2-month low in afternoon trading Friday, after BofA Securities analyst Justin Post said he believes sales from the ecommerce giant's recent Prime Early Access event were less than the Prime Day event in July. The stock extended the 0.3% decline on Thursday, which came despite the S&P 500's SPX, -1.91% 2.6% surge on the same day.
moderately negative