New Dividend: 45 cents per share Dividend Percent Increase: 34.3% Current Yield: 3.12% It's been a stellar year for shareholders of Baxter International ( BAX) -- the medical supply maker has seen its shares rally more than 16% so far in 2012, easily outperforming the broad market. And that's before dividends. >>10 Best-Performing S&P 500 Stocks in the Second Quarter Baxter is a leader in the injectable therapies market, manufacturing everything from IV bags and solutions to dialysis equipment. The company also has a fast-growing BioScience unit that's been tackling therapies for a number of specialized disorders that don't get targeted by generic drug makers. With the firm's 34.3% dividend hike on Wednesday, this stock now yields 3.12%. Income investors looking for a diversified core holding in the healthcare industry could do worse than this stock.