Things went from bad to worse for Invesco Funds, as federal securities regulators announced plans to increase the number of individuals facing civil fraud charges.

The Securities and Exchange Commission last week filed a motion with the U.S. District Court in Denver saying it plans to amend its lawsuit to "add additional parties [and] claims" on or before July 26. The SEC has not disclosed the names of those individuals or charges, and Robert Fusfeld, an SEC attorney, declined to comment. "We have previously stated our intention to settle any pending regulatory issues and are hopeful for that resolution in the near future," a spokesman for Invesco parent Amvescap said, declining further comment.

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