Thanks to cooperation from Bruno Iksil, a.k.a. the London Whale, the Justice Department's charged two people for allegedly hiding the size of JPMorgan's $6 billion trading loss.

The penalty for taking a dangerous risk that shakes financial markets is what, exactly?

Big banks are in the cross hairs of the Justice Department and Securities and Exchange Commission, as authorities push for tougher punishment for misbehavior.

JPMorgan is likely to settle with the SEC, but the Whale himself won't be facing any criminal charges — for now.

Bank of America is the latest major U.S. bank to report strong profit growth. But does the mean the economy is healing?