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Fourth-quarter U.S. worker productivity increased at a 3.2% annual rate, the Labor Department said Thursday.

The U.S. Postal Service lost $384 million its first quarter, it said Wednesday.

The U.S. economy’s service sector contracted in January but at a lower rate than previously reported, the Institute for Supply Management said Tuesday.

Transportation software firm Xata Corp. said Wednesday it lost $716,000, or 8 cents a share, in its fiscal first quarter, compared with a loss of $1.1 million, or 14 cents, a year ago.

Manufacturing in the U.S. contracted in January for the 12th straight month, the Institute for Supply Management said Monday.

The Maryland Transportation Authority has approved increased truck tolls its seven toll facilities, the Associated Press reported.

Covenant Transportation Group said Tuesday it lost $39.8 million, or $2.83 per share, compared with a profit of $176 million or 1 cent, a year ago.

Senate Republicans Tuesday blocked a proposal to add billions of dollars of highway and mass transit funding to the economic stimulus bill continuing to shape, the Associated Press reported.

Diesel engine maker Cummins Inc. said Tuesday its fourth-quarter profit fell 55% from a year ago, due to declining demand.

California environmental regulators said last week the U.S. Environmental Protection Agency has granted the state a waiver that will allow enforcement of its regulation requiring emission-control retrofits on refrigerated trucks and trailers.