** FILE ** House Majority Leader Eric Cantor, Virginia Republican, discusses the Stop Trading on Congressional Knowledge (STOCK) Act during a news conference on Capitol Hill in Washington on Tuesday, Jan. 31, 2012. (AP Photo/Jacquelyn Martin, File)

Photo by: Jacquelyn Martin

** FILE ** House Majority Leader Eric Cantor, Virginia Republican, discusses the Stop Trading on Congressional Knowledge (STOCK) Act during a news conference on Capitol Hill in Washington on Tuesday, Jan. 31, 2012. (AP Photo/Jacquelyn Martin, File)