Offshore drilling contractor Transocean Ltd. on Wednesday said it has launched its new rig, the Development Driller III, in the U.S. Gulf of Mexico under a seven-year drilling contract for a subsidiary of BP PLC.

Transocean Ltd. said Monday that Rob Saltiel will become its chief operating officer next month as part of a previously announced succession plan that will see current COO Steven Newman take over as CEO at the start of the new year.

What follows is a roundup of corporate earnings reports for Wednesday, Nov. 4.

Fourteen companies that have tried to reduce their carbon emissions.

Investors who capitalized on the market's amazing six-month run are now going to want to find a way to protect their profits.

The deep waters off the coasts of countries like Brazil and Sierra Leone have become hot spots for large discoveries of oil this year as exploration continues to move further from shore.