Why Martin Marietta stock just hit a record — and what basic materials traders watch next
Shares of Martin Marietta Materials Inc jumped 4.6% on Friday, closing at a record $666.67 and thrusting the basic materials company back into the spotlight.

Basic materials shares in the U.S. climbed on Friday. The S&P 500 materials sector index closed up 1.77% at 645.93, leaving the group 12.45% higher year-to-date.
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