Like many industrial companies, Eaton Corporation plc (NYSE: ETN) went through a rough patch a few years ago. Then its business started to pick up again, and the stock rallied. This year, though, Eaton's stock has gone sideways even though the company's business continues to improve. Add in a 3.5% yield, and this globally diversified industrial giant is offering investors a lot of value despite the rich valuation of the overall market.Eaton is trading with a trailing price-to-earnings ratio of roughly 11 today.