ReutersWorld stocks break 500 barrier, oil camps at two-and-a-half year highReutersT], Germany's DAX scored a record high and the rest of Europe gained as a 2-1/2 year high in oil prices lifted resources stocks again. .SXPP. All three of Wall Street&#3 …

Wall Street JournalCorrelation Between Oil Prices, Stocks WeakensWall Street JournalThe once-strong link between crude-oil prices and U.S. stocks has weakened, the latest sign of the markets' steadier footing this spring. The Dow industrials rose 107 p …