Tesco Error Triggers New Profit Warning - WSJ:
"Tesco's newly installed chief executive, Dave Lewis, said on Monday that the company has uncovered a "serious" accounting issue.
The issue involved the early booking of commercial income and delayed booking of costs, the company said, triggering a third profit warning in three months. Tesco, which has done a preliminary investigation into its U.K. food business, said it hasn't ruled out illegal activity but would wait until the results of the investigation are known.
"We have uncovered a serious issue and have responded accordingly," said Mr. Lewis,"
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