There is a tech stock winning more than Microsoft (MSFT) - Get Report , Amazon (AMZN) - Get Report , Alphabet (GOOGL) - Get Report and Intel (INTC) - Get Report on Friday: It's Align Technology (ALGN) - Get Report .

While gaining that 16.24%, to $235.94 is impressive, many may not realize this $18.5 billion market-cap stock is up more than 170% over the past 12 months. This stock is up "gigantically" after its fabulous earnings results, TheStreet's Jim Cramer said on CNBC's "Stop Trading" segment.

There's a reason why Cramer has been adamant that Allergan (AGN) - Get Report should snap up this stock. Had the company made the move last year, it would have cost it a whole lot less.

Align is riding strong momentum in Invisalign, the company's clear, plastic aligners that help make for straighter teeth, Cramer noted. Shipments grew near 33% in the quarter.

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Align earnings of $1.01 a share smashed expectations of 81 cents and grew more than 60% year over year. Sales of $385 million also came in well ahead of consensus expectations and expanded by nearly 40% year over year.

Cramer, who also manages the Action Alerts PLUS charitable trust portfolio, says there are three themes that continue to dominate: Data center (which can be seen in numerous tech earnings), the on-demand economy or getting "what you want when you want it" and of course, his favorite, the selfie.

It's incredible what the Apple (AAPL) - Get Report iPhone has done, he reasoned. Facebook's (FB) - Get Report Instagram has become so important, especially as younger users constantly want to look good on their social media platforms. It goes beyond makeup, though, as selfie-takers want straight teeth; they want to look as good as possible, Cramer concluded.

Hence, that's why Align Tech is doing so great.

Apple, Facebook, Allergan and Alphabet are holdings in Jim Cramer'sAction Alerts PLUS Charitable Trust Portfolio. Want to be alerted before Cramer buys or sells AAPL, FB, AGN or GOOGL? Learn more now.

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At the time of publication, Cramer's Action Alerts PLUS had positions in FB, AAPL, AGN and GOOGL.