Industrials

Shares of some top aerospace companies were mixed at the close of trading: Boeing fell $1.25 or .8 percent, to $151.17.

Shares of some top airlines companies were up at the close of trading: Delta Air rose $.60 or 1.4 percent, to $44.02.

A look at the 10 biggest percentage gainers on New York Stock Exchange at the close of trading: Global Cash Access Holdings Inc. rose 12.2 percent to $8.16.

United Technologies said Wednesday it is weighing options for its Sikorsky Aircraft division, including a possible spinoff of the maker of Black Hawk and other military and commercial helicopters.

Shares of some top construction companies are up at 10 a.m.: Fluor rose $.13 or .2 percent, to $57.13.

The board overseeing the Boston-area's beleaguered public transit system has voted to offer free fares for one day and discounts for monthly pass holders to compensate riders for massive weather-related breakdowns.

Southwest Airlines Co. has won U.S. approval to fly from Houston to Mexico City and the San Jose del Cabo.

Toledo officials are finalizing an incentives package this week in an effort to keep Jeep Wrangler production in the northwest Ohio city.

Shares of some top construction companies were down at the close of trading: Fluor fell $.87 or 1.5 percent, to $57.00.

The industrial conglomerate run by the billionaire brothers Charles and David Koch is refusing to provide Democratic lawmakers with information on whether it has paid for climate change research.

Activist investor Starboard Value said Tuesday it has nominated five candidates for spots on the board of directors of LSB Industries, seeking a shake-up at the company that makes chemicals as well as heating and air conditioning products.

Shares of some top aerospace companies are down at 1 p.m.: Boeing fell $1.81 or 1.2 percent, to $152.94.

Hundreds of pilots flying for Norwegian Air Shuttle have called off an 11-day strike that affected about 200,000 passengers after reaching a deal Tuesday with the budget airline.

The complexity of the stealthy Zumwalt destroyer will delay delivery of the first two ships.

Four trains hauling crude oil have derailed in the U.S. and Canada since mid-February, rupturing tank cars, spilling their contents, polluting waterways and igniting spectacular fires that burned for days.

Shares of some top aerospace companies are mixed at 10 a.m.: Boeing rose $1.52 or 1.0 percent, to $154.64.

Shares of some top airlines companies are up at 10 a.m.: Delta Air rose $.51 or 1.2 percent, to $44.29.

Traffic on United Airlines was flat in February, as small gains on international routes were offset by slightly less flying within the U.S.

A portion of the Houston Ship Channel has been shut after two 600-foot ships collided in the fog, causing some leakage of a flammable liquid.

Alcoa is buying titanium supplier RTI International Metals in a deal valued at $1.5 billion, as it continues to build its stake in products for the aerospace industry.