A few wild stock swings in health earnings By: MarketWatch January 23, 2013 at 11:26 AM EST A handful of health-care companies see wild swings in their stocks amid a slew of earnings reports, while others barely move the needle. Read More >> Related Stocks: Abbott Laboratories Intuitive Surgical Novartis Ag ADR Quest Diagnostics St. Jude Medical Stryker Corp Varian Medical Systems