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Diesel engine maker Cummins Inc. said Thursday it posted net income of $97 million or $1.96 a share, a rise from $33 million or 76 cents for the same period a year earlier.

The number of U.S. workers filing for initial unemployment benefits fell 36,000 in the week ended April 16, the third consecutive reported delcine, the Labor Department said Thursday.

Canadian transportation firm Mullen Transportation Inc. reported Thursday it earned about $21 million or $1.40 a share in the first quarter, up from about $18.4 million or $1.24 a year earlier.

Transportation firm CNF Inc. said its first-quarter income rose 19% to $29.1 million or 52 cents a share, up from $24.4 million or 45 cents a year earlier.

Canadian National Railway reported its first-quarter earnings rose 42% to $241.7 million or 84 cents a share, compared with $167 million or 59 cents a year earlier.

SCS Transportation Inc. reported a first-quarter profit of $4 million or 26 cents a share, up from $2.6 million or 17 cents a year earlier.

Truckload carrier Knight Transportation Inc. said late Wednesday its net income for the first quarter was $12.8 million or 22 cents per share, compared with $9.3 million or 16 cents a year earlier.

Third-party logistics provider Hub Group Inc. reported record first-quarter net earnings late Wednesday, posting a profit of $5.3 million or 51 cents a share, compared with $2.7 million or 33 cents last year.

Business activity continued to expand from late February through early April, but demand for trucking services eased somewhat as firms continued to pass higher fuel costs on to customers, the Federal Reserve said in its latest “Beige Book” report issued Wednesday.

Cooper Tire & Rubber Co. reported its first-quarter income dropped 79% to $5 million or 7 cents a share, compared with $24.3 million or 32 cents a year earlier.