Lightning Round: Jim Cramer Advises Viewers On Chegg, Opko Health And More

Jim Cramer said on CNBC's "Mad Money Lightning Round" that Chegg Inc CHGG isn't done going higher. He likes the stock and he wants to buy it.

Cramer needs to speak with the CEO of Opko Health Inc. OPK to find out what's going on with the stock.

Supernus Pharmaceuticals Inc SUPN is making money and Cramer is willing to bless it, but only as a speculation.

Cramer is a buyer of Apollo Global Management LLC APO. He explained that the company is run by one of the smartest man in the business.

United Parcel Service, Inc. UPS is getting its act together and Cramer wouldn't sell the stock. He likes it and he's a buyer.

Cramer doesn't like the short-term expectations in McKesson Corporation MCK.

Signet Jewelers Ltd. SIG have a new CEO and Cramer wants to speak with him to find out if the company's practices are going to be reformed.

Cramer needs to find out what is going on with Applied Optoelectronics Inc AAOI and why spiked 7.13 percent on Tuesday.