How to pronounce “overvaluation” in English

Some time later, behavioral researchers DeBondt and Thaler examined securities on the basis of a varietyof different metrics, but they're looking, particularly in this case, for undervaluation and overvaluation measured by price to book value.So they found that by selecting the decile, which is 1/10 of stocks that were most undervalued, and the decile of stocks that were most overvalued,