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}.
Text: John Blackledge, Cowen managing director, joins 'Squawk on the Street' to discuss Amazon's quarterly earnings results, why investors should go long on Amazon and what Wall Street should make of the company's stake in Rivian.
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moderately positive
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