Barclays shares slump 25pc in last hour

Telegraph
"Barclays shares tumbled in the last hour of trading on the FTSE 100, leaving the stock down 25pc on the day and more than 40pc on the week."
The Times:
"Barclays shares dived by 25 per cent in the last hour of trading, a day of broad weakness in the banking sector." .....The final hour capped a day of fluctuating share prices after the ban on the short-selling of UK financial sector shares was lifted."
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What is Gordon's cunning plan this time ?.