London—Workers at Petroplus expressed concern December 29 over the possibility of an imminent stoppage of its Europe-wide refining network as fresh credit woes stoked fears over the future of Europe’s biggest independent refiner. Ratings agencies Standard & Poor’s and Moody’s also cut their credit ratings for the Swiss-based refiner on fears of a liquidity crunch and as speculation mounts that the refiner’s crude supplies will dry up as traders refuse to deal with the company.
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