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}.

Amazon reported fourth-quarter revenue in line with Wall Street expectations and announced a $20-a-year increase in Prime subscription prices, causing its stock to stage a big rally after hours. Shares in the tech giant jumped as much as 18% in the minutes after the earnings news, after they had declined markedly earlier in the day....
moderately positive