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Aegerion Pharmaceuticals Inc. rose on Tuesday and Wednesday even after it posted a wider net quarterly loss of $18.9 million amid higher expenses. Aegerion raised its revenue expectations for the year to reflect recent results from the launch of its genetic cholesterol-disease drug, Juxtapid, its sole product on the market. Aegerion raised its net revenue expectation to $30 million to $35 million, from earlier guidance of $15 million to $25 million.