Tesco shares have fallen by nearly 7 per cent this morning after the supermarket issued a profit warning.
Britain's biggest grocery retailer now expects annual profits to be £400 million lower at £2.4 billion.
Tesco says "challenging trading conditions and ongoing investment...continued to impact the expected financial performance of the Group".
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Consumer prices have rocketed by 58% since 2003, with the UK industry paying the biggest bills in Europe.
Friday will be a much calmer day for many, with the weather set to remain dryer with sunny periods and much lighter winds than on Thursday.
Teachers and managers in particularly are putting in hundreds of hours of overtime free of charge.