According to Reuters, regulators hope to vote in December on a rule that would bar banks from making risky trades in financial markets using their own capital, a practice known as propriety trading. The publication has more:

"I am hopeful to try to schedule a public commission meeting in the second week of December or third week of December," Gary Gensler, chairman of the Commodity Futures Trading Commission, said.

The Volcker rule is one of the most prominent reforms under the 2010 Dodd-Frank Wall Street reform law, but writing it has proven to be an acrimonious and drawn-out process because of the complexity of the matter. It was first proposed in October 2011.