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A DigiTimes article spells out some of the challenges facing Rubicon Technology (RBCN), which...

A DigiTimes article spells out some of the challenges facing Rubicon Technology (RBCN), which fell hard last week on soft Q4 guidance (I, II). Having previously dominated the market for the sapphire wafers used in LED production in tandem with Russia's Monocrystal, Rubicon now faces growing competition from South Korea's STC and other Asian rivals, which is translating into price pressure.
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