Mining firm Bumi leapt into the top spot on the FTSE 250 on Friday after reportedly signing a contract to sell 50m metric tons of coal.
According to Dow Jones Newswires, the coal will be sold at an average price of $80 per ton this calandar year.
The publisher has reported that the firm's Resource Director, Dileep Srivastava, said: "The sales contract is 67% of our 75-million-ton output guidance for 2012."
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He is also reported to have said that the company has plans this year to spend $350m on capital expenditure.
The firm's share price rose 10.12% to 359.10p by 15:15.
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