A Minneapolis financial services provider's trading was shut down by the SEC this week because of minimum capital violations. Stockwalk Group, which owns online trading site stockwalk.com, and brokerage firm Miller Johnson Kinnard, says it is in negotiations with SEC regulators. Joining us on the line today is Carl Cambrone (Cam-BROHN), a securities attorney at Chestnut and Cambrone. that's Carl Cambrone (Cam-BROHN), a securities attorney at Chestnut and Cambrone.