Analyst: The big question is how did supply chain disruptions impact Apple’s sales?

DA Davidson Research Analyst Tom Forte joined Yahoo Finance Live this week to preview Apple earnings and said that the big unknown is how much supply-chain disruptions impacted Apple’s holiday quarter sales.Yahoo Finance:Forte: Sure. So when I think about Apple and I think about reporting the December quarter, the big question is, to what extent was supply-chain disruption — how did that impact their sales? We knew that in the September quarter, it had negatively affected their sales