American Superconductor Corp.’s stock AMSC, -31.56% pulled back 28.2% Wednesday, and is on pace to snap a five-day winning streak. The shares ended Tuesday’s session up 60% at $16.13, their highest close since Nov. 11, 2021, when the stock closed at $16.47, according to Dow Jones Market Data. American Superconductor’s stock surged recently on no apparent corporate news, although superconductor technology has been attracting plenty of attention following a claim by researchers in South Korea that they have discovered a room-temperature ambient-pressure superconductor. The research has generated both viral buzz and some skepticism, Scientific American reports.
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