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Cummins Inc. reported second-quarter net income and revenue soared, powered by North American engine sales. At the same time, the company announced it was exploring what it called “strategic alternatives” for its filtration business unit.

Daseke Inc. saw earnings and revenue increase during the second quarter, the company reported Aug. 3.

NEW YORK — Amazon on July 29 turned in a mixed bag of results for its fiscal second quarter, coming up short of Wall Street expectations in revenue but beating them on profits.

Tesla Inc. reported better-than-expected second-quarter earnings, buoyed by strong demand for its electric vehicles as it suggested deliveries this year may exceed its longer-term projections for 50% growth. But it is delaying production on its electric heavy-duty Semi truck until 2022.

Landstar System reported an all-time record for quarterly net income in its second-quarter financial results.

Knight-Swift Transportation Holdings saw growth throughout the company, including a 90.6% increase in net income during the second quarter, the company reported July 21.

FRANKFURT, Germany — German automaker Daimler reaped strong profits in the second quarter as demand for its Mercedes luxury cars continued to rebound from the depths of the pandemic, generating cash that the company can invest in its shift to electric vehicles.

Heartland Express saw overall financial gains despite a drop in revenue during the second quarter, the company reported July 19.

Kansas City Southern, the Class I freight railroad much sought-after by two Canadian rivals, reported a second-quarter loss stemming in part from costs related to its impending merger.

Marten Transport on July 15 reported the highest operating revenue and income in its history for the second quarter.