This year’s progress is expected to be a prelude to two even bigger developments that are coming around the corner: a foldable iPhone and enhanced artificial intelligence features. Photo by Godofredo A. Vásquez/AP Photo/Postmedia files

Apple Inc. has been on a tear in the stock market over the past few months, as iPhone optimism powers the shares to record highs. Investors will get a sense of whether that enthusiasm was warranted when it reports earnings after the bell Thursday.

Since the beginning of August, Apple’s stock is up more than 30 per cent and its market capitalization has risen from US$3 trillion to US$4 trillion. Shares were up 0.6 per cent in afternoon trading Thursday.

Investors are encouraged by strong sales of the iPhone 17 as phone prices rise. An analysis fro

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