British bank NatWest swings to a 2nd-quarter loss of $1.7 billion as income tumbles and impairment charges soar

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· *NatWest posted sharply lower profits last quarter as less income and a hefty impairment charge weighed on its business.*
· *The British bank's total income tumbled 34% year-on-year to £2.7 billion ($3.5 billion) and its impairment losses soared to over £2 billion, meaning it swung from a pre-tax profit of £1.7...