House Speaker Nancy Pelosi
Speaker of the House Nancy Pelosi (D-CA) talks to reporters during her weekly news conference.Chip Somodevilla/Getty Images

House Speaker Nancy Pelosi is working on banning stock trading by lawmakers and senior congressional staff, Punchbowl News reported Wednesday.

It comes after Insider's "Conflicted Congress" project showed widespread violation of rules meant to regulate the practice.

This story is developing. Please check back for updates.

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