(ADPnews) – May 18, 2010 – The first-quarter profit of Icelandic geothermal company HS Orka plummeted to USD 9.6 million (EUR 7.8m) from USD 50.2 million in the prior-year period, said Canada’s Magma Energy Corp (CVE:MXY), which yesterday announced it will lift its stake in the firm to 98.53%.