WASHINGTON — Four senior Republicans are criticizing the Commodity Futures Trading Commission's judgment and use of resources after a federal court struck down its controversial "position limits" rule.

The lawmakers are also asking the agency to provide estimates of how much the promulgation of the rule and eventual litigation are likely to cost, in light of the agency's request for a nearly 50% budget increase in fiscal year 2013, according to a letter sent Wednesday to CFTC Chairman Gary Gensler.

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