Britain's Tesco has posted the worst quarterly drop in underlying sales in its key home market since Chief Executive Philip Clarke took the helm in 2011. So is his trading strategy right? Joanna ... more 
Britain's Tesco has posted the worst quarterly drop in underlying sales in its key home market since Chief Executive Philip Clarke took the helm in 2011. So is his trading strategy right? Joanna Partridge reports. less 
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Wed, Jun 4, 2014 8:56 AM EDT