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The U.S. economy’s service sector grew in April for the fourth consecutive month, the Institute for Supply Management said Monday.

Wabco Holdings said Wednesday it earned a profit of $30.7 million, or 47 cents a share in the first quarter, compared with a loss of $36.4 million, or 57 cents, a year ago.

Several major commercial tire makers have set price increases due to higher materials and other costs.

KISSIMMEE, Fla. — Mack Trucks CEO Dennis Slagle said he is reinvigorating his company and willing to take on any rival, and he promptly picked fights with Navistar Inc. and Transportation Secretary Ray LaHood.

U.S. manufacturing activity expanded in April at its fastest pace since June 2004, the Institute for Supply Management said Monday.

PRINCETON, N.J. — New federal safety regulations soon will drive a wave of purchases by U.S. trucking companies that have not yet adopted electronic onboard recorders and mobile communication systems that closely monitor driver performance, a technology vendor here said.

There was a time when foreign-based tire manufacturers had to overcome major hurdles to enter the North American market.

Goodyear Tire & Rubber Co. said Wednesday its first-quarter loss was less than a loss in the same quarter last year.

Cummins Inc. said Tuesday its first-quarter profit jumped to $149 million, or 75 cents a share, from $7 million, or 4 cents, a year ago.