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Business
Nature 447, 767 (14 June 2007) | doi:10.1038/447767a; Published online 13 June 2007
In brief
Shares in British nanotechnology company Oxonica fell by more than half, from 118p to 53p, when trading resumed on 6 June. It had been suspended on 27 April after problems emerged with the company's largest contract, to supply diesel-fuel additives to Petrol Ofisi, a Turkish oil company (see Nature 446, 963; 2007).
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