Fidelity Investments' bold decision to force Lehman Brothers to charge it separately for trades and for research is putting pressure on other brokerages to do the same, The Wall Street Journal reports. But some in the industry point to a potential downside to eliminating soft dollars to pay for research.

Some fund companies worry that if brokerages are forced to unbundled research, these analytical reports could become scarcer to find. They also argue that if brokerages are paid less for executing trades, the quality of trade executions might fall.

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