Top OPEC oil producer Saudi Arabia made a large cut in its crude output in January to support prices and lessen a glut, helping boost compliance with the group’s supply-reduction deal to a record high of more than 90 percent. The Organization of the Petroleum Exporting Countries is curbing its output by about 1.2 million barrels per day (bpd) from Jan. 1. Russia and 10 other non-OPEC producers agreed to cut half as much. Supply from the 11 OPEC members with production targets under the deal fell to 29.888 million bpd last month, according to figures from secondary sources that OPEC uses to monitor its output. OPEC published the data in its monthly report on Monday. […]