Louisiana-Pacific Corporation (LPX) , or LP, an American building materials manufacturer, has rallied 30.1% in the past six months, outperforming the Zacks Building Products - Wood industry, the Zacks Construction sector and the S&P 500 Index. During the same time frame, the industry declined 10.1% while the sector and the S&P 500 Index grew 6.8% and 9.3%, respectively. Image Source: Zacks Investment Research The company is gaining from growth in new residential construction, a notable rise in repair and re ...