BBC NEWS | Business | US retailers warn of tough timesLast Updated: Tuesday, 14 August 2007, 12:46 GMT 13:46 UK Two US retailing giants, Wal-Mart and Home Depot, have warned about a poor year ahead after their latest results. Wal-Mart's profits hit $3.1bn (£1.54bn) between May and July, from $2.08bn last year, but missed forecasts. In contrast, Home Depot saw profits fall to $1.59bn from $1.86bn in the same period a year earlier, but beat expectation
