In Tuesday trading, W.W. Grainger Inc. shares are currently up about 0.1% on the day.

FORBES: GWW Ex-Dividend Reminder

Regulations that set up a trading plan for pollutants, first issued under the George W. Bush Administration, were challenged in court as too soft.

FORBES: OutFront

Joel Brubaker, the 41-year-old chief of staff to Rep. Shelley Moore Capito (R, W.Va), a member of the House Financial Services Committee, made money trading in financial-services firms in 2009.

WSJ: Congressional Staffers Gain From Trading in Stocks