SemGroup, an oil marketing company based in Tulsa, Okla., filed for Chapter 11 bankruptcy protection on Tuesday, brought under by the increasing cost of trading oil in a time of record prices.
Microsoft said on Tuesday that it would buy Powerset Inc., an Internet search company, the latest in a string of acquisitions aimed at bolstering its position online.
The Senate has cleared three nominees to the Securities and Exchange Commission, agreeing by unanimous consent to confirm Luis A. Aguilar, Elisse B. Walter and Troy A. Paredes.
Mexico’s peso closed at its strongest level against the dollar in five years Friday after the Bank of Mexico raised its benchmark interest rate, citing higher inflation.
After hearing testimony from patients whose vision was impaired by laser surgery, a Food and Drug Administration panel said Friday that the agency should do a better job informing patients of the surgery’s risks.