A regulator at the Commodity Futures Trading Commission on Monday called for trading curbs on financial futures such as the Standard & Poor’s 500 E-mini, saying they could help prevent a repeat of the flash crash.

In a speech at the University of  Notre Dame, CFTC Commissioner Bart Chilton said the agency has the authority to impose limits on how many financial futures contracts any one market player can hold, though he didn’t offer any details on what kind of limits might be appropriate. Get the full story »