Nvidia reached another milestone in its rise to becoming one of the world's most important companies: the first publicly traded company to reach a market value of $4 trillion.

A Michigan clock company that has helped people keep time for 99 years says it's going out of business.

Marathon Petroleum on Thursday reported flaring at its 365,000-barrel-per-day (bpd) refinery in Carson, California, according to a regulatory filing on Thursday.

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