London: UK wafer maker PV Crystalox Solar (PVC) disappointed investors by posting a significant drop in 2010 operating profits, although analysts believe it remains in a position to eke out a future in a fast-shifting industry. PVC's wafer shipments grew 48% to 378MW last year, thanks to demand from Asian customers. But, unlike many solar manufacturers, the spike in sales volume did little for its revenues - and its earnings fell.

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