LBM Share Price changes, Feb. 1-9, 2018

The week of turmoil in the stock markets hurt all the major publicly traded LBM firms, but in several cases they weren't shaken as much as the Dow Jones industrial Average and and Standard & Poors 500 Index.

Until Feb. 9's late rally, LBM firms had shown to be less volatile than much of the market was in the nine days since the volatility began. By Feb. 9's close, Foundation Building Materials and Gypsum Management and Supply saw dips of only 5.4% since the Feb. 1 open. In contrast, the Dow fell 7.3% and the S&P 7.6% in the same period.

BMC and Builders FirstSource saw bigger losses (7.8% and 7.3%), and were on par with the the rest of the market. Beacon Roofing Supply took the heaviest hit, unable to make a late surge like the Dow and S&P as it slid to an 8.9% loss.