Letters sent to 19 banks, Schapiro says
Mueller and Jinnah ordered to pay US$75,000 and US$50,000, respectively
Investors allegedly lost more than $1 billion
Quadrangle agrees to pay US$12 million in penalties
New cap on options fees also proposed
Securities industry cautiously supportive
Regulator want to be sure protections keep up with the increasing complexity of these instruments
New York, London rocked by insider trading allegations
Regulator to establish five specialized units
Staff increase would beef up enforcement