Lumber prices have skyrocketed 140% over the last year, but the economy might not be able to handle further increases in 2021, a chief market technician says

Lumber prices have soared nearly 140% over the last year as the best-performing commodity. Piper Sandler chief market technician Craig Johnson told Insider the charts show prices could gain 35% in the next year. But he added that the economy may "stub its toe" as commodity prices outpace the rise...