Achillion Pharmaceuticals, Inc. announced earnings results for the fourth quarter ended December 31, 2018. For the fourth quarter, the company announced operating income was USD 18.174 million compared to USD 24.355 million a year ago. Net loss was USD 16.601 million compared to USD 23.203 million a year ago. Basic loss per share was USD 0.12 compared to USD 0.17 a year ago. For the full year, operating income was USD 75.914 million compared to USD 89.576 million a year ago. Net loss was USD 70.272 million compared to USD 85.236 million a year ago. Basic loss per share was USD 0.51 compared to USD 0.62 a year ago.