and tomorrow as well as the physical trading floor here in lower manhattan. that's shut down as well. thomas, we are in for a long haul as you can see, weather wise, we haven't started yet. >> it's a bizarre storm. this abundance of caution is the way to go until we know more. michelle franzen, thank you. it is the second time in as many years the densely populated northeast correspond had to prepare for a massive hurricane. coming up, an expert in public health and disaster will address the question of how ready we are this time around. keep it locked in here. this is the extended coverage of hurricane sandy. we are back with you after this. [ male announcer ] research suggests cell health plays a key role