That would have a follow-on effect on trading, where revenue has recently dipped.
Proprietary trading, where these conflicts of interest are most exposed, should not be possible.
And then there's rogue trading, where somebody hides their losses for a long time".
Trading in bonds dropped 46 percent even as equity trading, where the bank gained market share, rose 2 percent.
They outlined plans to exit risky businesses like equity proprietary trading, where the firm makes bets with its own capital.
The stock jumped 41percentt, rising $3.3125, to $11.3125, in Nasdaq trading, where EarthLink slipped 37.5 cents, to $17.5625.
Centennial's shares rose 37.5 cents, to $15.25, in Nasdaq trading, where Western Wireless rose $1.3125, to $59.0625.
Shares of OnlineTradinginc.com fell $1.125, to $11.50, in Nasdaq trading, where shares of Omega rose $1.391, to $8.125.
Apex's shares rose $6.125 each, to $42.125, in Nasdaq trading, where Cybex shares fell $3.8125, to $41.
Shares of InfoCure were up $4.4375 at $24.625 in Nasdaq trading, where shares of Healtheon were unchanged at $55.
Shares of Molecular Devices were up $1.9375 each, at $61, in Nasdaq trading, where LJL gained $1.3125, to $17.5625.
