As the hurricane-turned-superstorm Sandy heads for densely populated and economically vibrant regions. Its costs could spread to housing, consumer spending and jobs.

While many workers were sent home ahead of the storm, not everyone gets the day off for Hurricane Sandy.

The power grid is too large, too dependent on distant electricity supplies and not smart enough to pass the hurricane test. The result: long power outages. Upgrading to a more reliable grid will cost billions and take decades.

Weather derivatives allow companies to hedge against catastrophic losses.

Overnight, New York City's financial authorities decided to close the markets today as Hurricane Sandy moves in — the first time since 1985 that a weather event has shut down trading.

Businesses in the path of Hurricane Sandy are preparing for anything but business-as-usual — for some shops storms are good for business.

Hurricane Sandy is expected to cause widespread power outages in the Northeast, where utility companies and other businesses are still recovering from the last big storm.

Crowd sourcing weather reports, drone swarms with sensors, and making broadband ten times as fast with the use of algebra.

New York City is preparing for Hurricane Sandy by shutting down the city's public transportation. Financial markets will also be closed today.

Utilities spent billions a year ago repairing lines and equipment damaged by storms Irene and Alfred — and were roundly criticizing for leaving many people without power for days. They're intent on being prepared for Sandy.