The Oak Brook, Ill.-based company said global sales at restaurants open at least 13 months dropped 1.9 percent for the month. The figure is a key metric because it strips out the volatility of newly opened and closed locations.
After years of outperforming rivals, McDonald’s has been struggling amid intensifying competition and challenging economic conditions around the world.
Late last year, the company ousted the head of its U.S. business after the sales figure dropped for the first time in nearly a decade.
Watson supercomputer services offered to doctors, insurers
Dr. Watson is accepting new patients.
The Watson supercomputer is graduating from its medical residency and is being offered commercially to doctors and health insurance companies, IBM said Friday.
IBM Corp., the health insurer WellPoint Inc. and Memorial Sloan-Kettering Cancer Center announced two Watson-based applications — one to help diagnose and treat lung cancer and one to help manage health insurance decisions and claims.
Both applications take advantage of the speed, huge database and language skill the computer demonstrated in defeating the best human “Jeopardy!” players on television two years ago.
More energy exports, drop in oil imports lower trade deficit
A jump in energy-related exports and a steep decline in oil imports lowered the U.S. trade deficit in December to nearly a three-year low.
The improvement suggests the economy grew in the October-December quarter instead of shrinking as the government estimated last week.
A brighter outlook for trade also illustrates how a boom in oil and gas production is reducing crude oil imports and making the U.S. a leader in the export of fuels.

