Compare 1970 to 2010. In both situations PM were rising as well as stocks. Lesser magnitude tho. Graph from ZH. http://www.zerohedge.com/sites/default/files/images/user5/imageroot/bernanke/Q-Ratio big.gif
Source : http://www.zerohedge.com/sites/default/files/images/user5/imageroot/bernanke/Q-Ratio big.gif