Hearing Aid Shares Sink on Threat From Bose
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Shares in the world’s largest hearing aid makers plunged on Monday amid concern that loudspeaker maker Bose Corp.’s entry into the market will put pressure on prices.
GN Store Nord A/S and William Demant Holding A/S, both based in Denmark, fell around 13 percent each, while Sonova Holding AG of Switzerland dropped as much as 10 percent.