New York Attorney General Eliot Spitzer sent Hartford Financial Services Group a subpoena for documents pertaining to annuity sales, according to one of the company's recent regulatory filings, Dow Jones Newswires reports.

The subpoena is a likely precursor to regulatory action initiated by Spitzer and the Securities and Exchange Commission, the filing said. Company officials also said regulators are looking into possible improprieties stemming from market-timing and directed-brokerage practices within variable annuity products.

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