Analyst excitement is growing on Amazon (AMZN) - Get Report , TheStreet's Jim Cramer, co-manager of the Action Alerts PLUS portfolio, said on Monday's CNBC "Mad Dash" segment.

Bank of America/Merrill Lynch and Piper Jaffray are both high on the online retailer, Cramer said, saying Amazon's assets are under-appreciated. In fact, SunTrust analyst Bob Peck recently made the case that Amazon Web Services could be worth $100 billion.

"These pieces are very reflective of all the excitement that's going on with that stock," Cramer added. As more and more analysts continue to jump on the bullish bandwagon, shares of Amazon are likely to higher, especially as its retail business continues to garner strength.

Also catching some positive analyst action is Alcoa (AA) - Get Report , where analysts at Bank of America/Merrill Lynch upgraded the stock to buy from neutral.

The analysts are looking for the company's breakup to be a positive catalyst, Cramer said, agreeing with that notion. "Once it splits up, you're going to see the value." Alcoa is two companies in one right now, Cramer said, with a commodity-based side and a higher margin value-add side. The value-add business is comprised heavily of aerospace, which remains a robust market, Cramer explained. 

Right now, the stock isn't be valued properly because the Chinese continue to overwhelm the commodity business with too much aluminum. The value-add business is worth "well in excess of the whole company right now," Cramer concluded.

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