Hanergy Thin Film Power Group shares have shot up as much as 75 per cent over the last four days, but the company says it doesn't know why.
Hong Kong-listed Hanergy said on Tuesday that 2014 profits will rise more than 55 per cent. Shares moved up 10.5 per cent that day, then added 22 per cent yesterday. Today they soared as much as 42 per cent.
The $40bn Chinese solar company, subject of an FT Big Read in late January, told the HKEx it has "noted" the increase but boardmembers "are not aware of any reasons for these prices and volume movements."
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