After Adobe Systems (ADBE) bumped its fiscal-year 2018 earnings estimates to $6.20 per share from $5.50 per share, it's no surprise the stock is hitting new all-time highs Tuesday.

Most of the company's boost in forecast is thanks to tax reform, TheStreet's Jim Cramer said on CNBC's "Mad Dash" segment. But don't let that take away from what a truly amazing company Adobe has become.

After all, shares are only up 1.4% Tuesday, a drop in the bucket compared to its roughly 81% ascent over the past 12 months. CEO Shantanu Narayen doesn't get enough credit. The man is "a genius," argued Cramer.

He has helped put together the "ultimately e-commerce story," Cramer added. Adobe runs a cloud-based, subscription-oriented business model that has worked out beautifully.

Some investors might just think of it as Acrobat, one of Adobe's programs, but it's so much more than that. It is behind so many things in mobile and it dominates the trends in digitization. "It's a driver of commercial activity in retail," explained Cramer, who also manages the Action Alerts PLUS charitable trust portfolio.

While he really likes companies like Red Hat (RHT) and VMWare (VMW) , Adobe is in a different category. It's not farfetched to say this company could command a market cap in the hundreds of billions, Cramer concluded.

Notably, analysts at Stifel upped their price target to $210, while KeyBanc bumped its price target to $225 from $220, reflecting roughly 13% upside.

Adobe stock closed at $200.09 Tuesday, up 1.14%. 

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At the time of publication, Cramer's Action Alerts PLUS had no position in any security mentioned.

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