Najarian Brothers See Unusual Options Activity In Yelp And Halliburton By: Benzinga via Benzinga April 06, 2017 at 07:06 AM EDT On CNBC's Fast Money Halftime Report, Jon Najarian spoke about Yelp Inc (NYSE: YELP). It was trading higher on rumors about a ... Read More >> Related Stocks: Halliburton Co Yelp Inc