January U.S. manufacturing activity rose to the highest level since June, the Institute for Supply Management said Wednesday.

MIAMI BEACH, Fla. — With its Class 8 truck order book overflowing and all signs pointing to a continuing market recovery, Daimler Trucks North America said it will add a second shift to its primary U.S. production facility, creating 1,200 new jobs.

December U.S. manufacturing activity rose to the highest level since June, the Institute for Supply Management said Tuesday.

Truck components maker Meritor Inc. said Monday it sold the assets of its axle manufacturing operation in Saint Priest, France, to Renault Trucks SAS. Terms were not disclosed.

Profit surged at truck and engine maker Navistar International Corp. during the fiscal fourth quarter as its three main divisions — trucks, engines and parts — all posted stronger results.

An index of manufacturing activity in the Chicago area dipped in December but showed continued expansion, the Institute for Supply Management-Chicago said Thursday.

This year was the first in which all truck manufacturers had their “vertical integration” model up and running, offering trucks with their own engines — the same way cars are sold.

Manufacturing activity in the New York region expanded in December to the highest level in seven months, the Federal Reserve Bank of New York said Thursday.

Truck component manufacturers Dana Holding Corp. and Eaton Corp. will drop their 13-year Roadranger joint marketing venture next year in a separation initiated by Dana, the two Ohio-based companies said last week.