China A-shares rejected for inclusion in MSCI Emerging Market Index for the third straight year.

Penalty for oversight violations is agency's first shot fired since publication of the book 'Flash Boys.'

Penalty for oversight violations is agency's first shot fired since publication of the book 'Flash Boys.'

New York attorney general said to be looking into improper advantages given to high-frequency traders.

New York attorney general said to be looking into improper advantages given to high-frequency traders.

Chicago Board Options Exchange will require traders to provide written descriptions of oversight practices, regular office inspections, and annual reporting.

Chicago Board Options Exchange will require traders to provide written descriptions of oversight practices, regular office inspections, and annual reporting.

Win opens the door for more Internet listings on the NYSE.