Here's what Jim Cramer had to say about some of the stocks during the Mad Money Lightning Round:

Allergan (AGN) - Get Report : "I think the stock is inexpensive and I think it should be bought."

USG Corp (USG) : "This stock spiked and now it's coming down. Let it come down, then buy some."

Arena Pharmaceuticals (ARNA) - Get Report : "I think this is a good one."

On Real Money, Cramer details the investment opportunities getting the most benefit from market optimism right now. Get Cramer's insights with a free trial subscription to Real Money.

Cramer and the AAP team are telling their investment club members about a recent research report that quantifies revenue from e-sports and how it will affect Activision Blizzard Inc. (ATVI) - Get Report . Get in on the conversation with a free trial subscription to Action Alerts PLUS.

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At the time of publication, Cramer's Action Alerts PLUS had a position in ATVI, AGN.