Prices are soft = Prices are changeable?

Context:

“Competition from China has hurt, there’s no doubt,” said Robert Wan, whose company, Robert Wan Tahiti, dominates the production of Tahitian pearls, which are cultured in mollusks in saltwater and help set the world quality standard.

“Prices are soft,” Mr. Wan said, “and if in one or two years, they have a huge increase in supply, we will see what happens.”