Rubicon Technology shares are trading sharply lower in late trading Wednesday after the provider of sapphire substrates used by LED and chip makers reported disappointing fourth quarter results - and provided even more alarming guidance for the first quarter.
Rubicon Technology shares are trading sharply lower in late trading Wednesday after the provider of sapphire substrates used by LED and chip makers reported disappointing fourth quarter results - and provided even more alarming guidance for the first quarter.
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