Cash influxes into municipal bond mutual funds slowed a bit again last week as muni prices continued to cool off.Investors entrusted $470 million to muni funds that report weekly numbers during the week ended Feb. 25, according to AMG Data Services. That represents a dip from $535.9 million the previous week and more than $700 million the two weeks before that.Still, this was the eighth consecutive week of inflows following 15 weeks of outflows at the end of 2008.Fund managers are now enjoying steady cash flow following a period when assets at all muni funds - including those that report monthly - shriveled to $342 billion from $391 billion, reflecting both outflows and market declines.Earlier this year, funds enjoyed their biggest inflows since May. They followed a red-hot rally in munis during which the yield on the triple-A in 10 years, based on the Municipal Market Data scale, compressed from 4.21% on Dec. 15 to as low as 2.84% on Feb. 12.That rally has since stalled, with the yield creeping back up to about 3.1%, according to MMD.

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