The stock is down 24%.
From Reuters via Yahoo Finance, December 18:
SunPower shares slide after raising going concern doubts
SunPower said on Monday it had substantial doubts on its ability to continue as a going concern, sending shares of the solar company down 25% in premarket trading on Monday.
The company also said it breached the terms of a credit agreement due to a delay in the filing of its quarterly results....
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