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: Toni Sacconaghi, Bernstein analyst, joins 'TechCheck' to discuss his thoughts on Apple's lost supply, if smartphones are getting longer life cycles and whether Elon Musk's attack on Apple's app store business model has any legs.
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