Global equity markets rallied, with U.S. stocks pushing to four-year highs, and crude oil rebounded on Mo nday after better-than-expected U.S. manufacturing data boosted investor sentiment. Energy and basic materials stocks led an equity rally that pushed the broad-based S&P 500 to intraday highs last seen in May 2008, while the Dow notched highs last seen in December 2007. Sentiment had soured a bit on a spate of weak European factory data. Wall Street opened slightly lower but the three major U.S. stock indexes advanced broadly after the Institute for Supply Management reported the pace of growth in the U.S. ... (full story)