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