With another big sell-off for Apple (NASDAQ:AAPL) today, shares are down about 3%, and investors are concerned. In the following video, Motley Fool research analyst Lyons George tells us the reason for the drop. Lyons also notes iPhone demand is waning in a market where the competition has become huge, and Apple isn't the obvious choice for smartphone consumers that it once was.

Lyons George has no position in any stocks mentioned. The Motley Fool recommends Apple and Google. The Motley Fool owns shares of Apple and Google. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.