Higher losses at Gulf Air and Aluminium Bahrain (Alba) have lead to last year's net loss of Bahrain's sovereign wealth fund, Mumtalakat Holding doubling, Reuters has reported. Mumtalakat said its net loss for 2009 stood at $487.2m, compared with a loss of $184.3m in 2008. It said Gulf Air's full-year loss rose 21% to $502.9m last year.Alba made a full year net loss of $220.7 million.