Marchex, Inc. (NASDAQ:MCHX) has a negative ROIC to WACC ratio of -1.28, indicating poor capital efficiency.QuinStreet, Inc. (QNST) and Liquidity Services, Inc. (LQDT) show more favorable financial positions with positive ROIC to WACC ratios, suggesting better capital utilization.Maiden Holdings, Ltd. (MHLD) also struggles with capital efficiency, having an even less favorable ROIC to WACC ratio than Marchex.Marchex, Inc. (NASDAQ:MCHX) is a company that specializes in call analytics and call tracking solutio ...