A California woman is under arrest as part of a federal crackdown on people working at financial research firms who illegally feed inside information to investors.

Winifred Jiau is scheduled to appear Wednesday in federal court in San Francisco.

Manhattan prosecutors say the 43-year-old woman was arrested Tuesday at her home in Fremont, Calif.

She is charged with conspiracy to commit securities fraud.

Authorities say she gave two portfolio managers at separate hedge funds information about upcoming earnings reports for Marvell Technology Group Ltd. and Nvidia Corp.

The government said she was paid more than $200,000 for early information about the two technology companies.