HLTH Corporation Announces Agreement to Sell Porex Unit to Aurora Capital Group for $142 Million ELMWOOD PARK, N.J., Sept. 18 /PRNewswire-FirstCall/ — HLTH Corporation (NASDAQ:HLTH) today announced that it has entered into a definitive agreement to sell its Porex segment to affiliates of Aurora Capital Group, a Los Angeles based private equity firm, for $142 million. The closing is expected in the fourth quarter and is subject to customary closing conditions, including the expiration or termin