As of the close on Friday, $S&P/ASX 200(XJO.AU)$ closed at 8,285.20 on Friday, down 0.12% in the past 5 days.1. $JAMES HARDIE INDUSTRIES-CDI(JHX.AU)$ +16.59%The James Hardie share price was up over 15% this week. This follows the release of the building materials company's second quarter update. James Hardie revealed a 4% decline in net sales to US$961 million and an 8% decline in adjusted EBITDA to US$263 million. James Hardie CFO, Rachel Wilson, was cautiously optimistic. She said: "Despite greater market headwinds than we anticipated in our original outlook, we remain well-positioned to deliver volumes within our original guidance range. Our Hardie Opera