Earlier this month, the Fool's Steve Symington made the case for why Apple's (NASDAQ:AAPL) iPhone 6 won't feature a sapphire display when it's released later this year.

But in the interest of truly Foolish investing, he's decided to take some time in the following video to highlight a recent analyst's report that indicates Steve might be wrong. Or at least half wrong, anyway. 

Specifically, Steve's talking about KGI Securities analyst Ming-Chi Kuo, who recently stepped out with a comprehensive report on Apple's plans for the remainder of 2014. More pertinent in this case, however, are Kuo's remarks on Apple's iPhone 6, in which he cites supply-chain sources who say Apple ultimately intends to switch completely from Corning's (NYSE:GLW) Gorilla Glass to GT Advanced Technologies' (NASDAQOTH:GTATQ) sapphire to cover future iPhones.

The catch? Even given the recent reported ramp at GT Advanced Technologies' new Mesa, AZ facility, Kuo suggests supply constraints may limit sapphire covers this year to only Apple's high-end iPhone 6 model. In short, while supply constraints were Steve's primary near-term concern, he hadn't accounted for the possibility that Apple might be willing to restrict sapphire's expanded role to just one higher-end device.

So what would this mean for investors in Apple, Corning, and GT Advanced Technologies? To hear Steve's full take, including what this says about GTAT's guaranteed capacity versus actual production volumes, please watch the following video.

The biggest thing to come out of Silicon Valley in years
That's also not to mention there's another incredible product in the works which will likely to use GTAT's sapphire. If you thought the iPod, the iPhone, and the iPad were amazing, just wait until you see this. One hundred of Apple's top engineers are busy building one in a secret lab. And an ABI Research report predicts 485 million of them could be sold over the next decade. But you can invest in it right now, for just a fraction of the price of Apple stock. Click here to get the full story in this eye-opening new report.

Steve Symington owns shares of Apple. The Motley Fool recommends and owns shares of Apple and Corning. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.

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