NEW YORK, N.Y. – Stocks that moved substantially or traded heavily Wednesday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

CBS Corp., up $3.64 to $62.48

The broadcaster shared a copyright violation victory after the Supreme Court ruled against Internet television company Aereo Inc.

Barnes & Noble Inc., up $1.09 to $21.65

The bookseller said it is going to split its retail sales and Nook Media businesses into two separate public companies.

IMS Health Holdings Inc., up $1.77 to $24.98

The health information services company said it will buy two businesses from French company Cegedim for about $523 million.

Pioneer Natural Resources Co., up $11.42 to $233.07

The Wall Street Journal reported that the company got approval to export a type of ultra-light oil known as condensate in a loosening of the U.S. crude-oil export ban.

Nasdaq

Medical Action Industries Inc., up $6.61 to $13.68

The disposable medical products maker is being bought by health care logistics company Owens & Minor for about $208 million.

Athenahealth Inc., up $7.76 to $130.74

The medical business services company named former Aetna executive Kristi Matus as its chief financial and administrative officer.

Aerie Pharmaceuticals, up $5.95 to $26.98

The drug developer reported positive midstage clinical trial results for its potential glaucoma treatment Roclatan.

Facebook Inc., up $1.72 to $67.44

The social media company launched a new messaging app and TechCrunch reported an at-work version of the site is under development.