Robert Greifeld

The New York Stock Exchange's trading halt of over three hours midday Wednesday reminded many of a similar three-hour halt at the NASDAQ in August 2013. Robert Greifeld, NASDAQ OMX Group, Inc. (NASDAQ: NDAQ) CEO, was on CNBC Friday to discuss the NYSE trading halt and what has he learned from these...

The Nasdaq “Flash Freeze,” that halted the entire US equity and US equity option markets for roughly three hours last Thursday, August 22, has been a lightning rod for anyone and everyone that has been chomping at the bit to attack both the US regulatory system and high frequency trading (HFT). Is...

Nasdaq OMX Group's (NASDAQ: NDAQ) CEO Bob Greifeld made his television rounds Friday morning, and he didn't forget Bloomberg Television. During his interview, Greifeld said that it was "too early to say who is to blame," repeating his that their focus yesterday was to understand and solve the...

CEO of Nasdaq OMX Group (NASDAQ: NDAQ) Robert Greifeld appeared on CNBC's Squawk Box Friday morning in reaction to Thursday's Nasdaq trading halt. The Nasdaq had a bit of a problem yesterday. "We knew professional traders had access to individual data feeds, but the traditional long investor,...