These drugmakers have competitive yields and have increased their dividends at a good clip.Between labor-market data and potential interest-rate cuts, Wall Street has a lot on its plate right now. In an environment like this one, it can be helpful to invest in solid, dividend-paying stocks -- and due to its non-cyclical nature, the healthcare sector is a good place to find some.Many medical products, including pharmaceutical drugs, perform relatively well even in tough economic times. That allows drugmakers ...