Trade group also calls for action on tax reform and money laundering
The duo provided "significant information" that led to an investigation
Regulator says "there is a point at which a delay becomes unreasonable"
Whistleblowers repeatedly reported alleged violations internally before providing a tip to the SEC
The award is the first under a program designed to incentivize internal reporting
The agency has now awarded more than US$85 million to whistleblowers
One tipster received US$37 million, while the other got US$13 million
Reward is more than US$2 million
The rewards were for three separate cases