Take a look at some of Thursday's midday movers:
Nu Skin Enterprises The seller of anti-aging products said in a statement Thursday afternoon that it had initiated its own province-by-province business review in China, where regulators were investigating the company's practices. It acknowledged there would like be "a negative impact on China revenue," but said it was too soon to say whether its prior guidance would be impacted. Its shares, which were halted three times during Thursday's session, were lately down more than 33 percent.
Sarepta Therapeutics rose after the drug maker reported positive results from its Duchenne muscular dystrophy study.
Ralph Lauren lost ground following a Morgan Stanley downgrade to equal weight from overweight. The firm sees less clarity ahead.