Among the stocks screened by CNBC Pro, the 98-year-old firm offered the highest dividend yield at 3.3%. Dividend yield is calculated as the dividend per share divided by the share price. The dividend yield can go up if the share price drops, and conversely, the yield can drop if the share price goes up. The stock has risen 340% in price returns, which strips out dividend payments, over the past 15 years. If the stock price also appreciates, the total return for the investor (capital gains plus dividends) would be even higher.

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Persons: Japan — Organizations: CNBC Pro, Atrion Corporation, Kerry Group Locations: Brussels, Africa, Japan