What is the secret to Apple’s success?

Apple faithful keep upgrading to increasingly expensive devices, driving the company’s share price up 30 percent.

Stocks of the tech giant Apple have dropped slightly after its latest launch featured its largest iPhone yet, but little in the way of groundbreaking innovation.

However, the company’s strategy of getting consumers to upgrade to increasingly expensive devices continues to pay off with the overall share price up 30 percent for the year.

 

Al Jazeera’s Heidi Zhou-Castro reports from Washington.