Speculation growing of intervention to support weakening currency.
New York firm has already deployed $6B into the investment strategy.
The setup can result in larger firms offering customers better transaction prices than smaller ones, SEC Chair Gary Gensler said.
Revenue from the fixed-income trading business slumped 11% and, along with muted fees from dealmaking, caused a drop in net income.
The firm and trade association petitioned the court regarding the Consolidated Audit Trail.
Strategists warn that further escalation could derail growth.
Middle East conflict is intensifying demand for safer investments.
Survey reveals 7% jump in costs for US families compared to just 1% last year.
Alleged gambling ring arrests have sparked police investigation into where the profits were stored.
Volatility is heightened by uncertainty but yields are still trending higher.
