House Majority Leader Eric Cantor, Virginia Republican (right), promises to take swift action on the Stop Trading on Congressional Knowledge Act. He prefers the Senate bill over a narrower House version. Both bills explicitly ban insider trading. At left is House Speaker John A. Boehner, Ohio Republican. (Associated Press)

House Majority Leader Eric Cantor, Virginia Republican (right), promises to take swift action on the Stop Trading on Congressional Knowledge Act. He prefers the Senate bill over a narrower House version. Both bills explicitly ban insider trading. At left is House Speaker John A. Boehner, Ohio Republican. (Associated Press)