Saudi stock benchmark Tadawul All Share Index advanced 0.34 percent Monday to close at 6,136.1 points following continued rebound in the world stock markets amid falling credit risks. The European Central Bank has started buying sovereign bonds of Eurozone's “trouble candidates”, like Greece, Portugal or Ireland. Rising oil prices also helped the Tadawul bourse to regain territory. Oil prices surged Monday as stock markets rallied and the dollar weakened, stoking demand for greenback-priced commodities. New York's main contract, WTI crude for delivery in September, closed at $87.88 a barrel, a rise of $2.50, or nearly 3.0 percent, from Friday. Brent North Sea crude for September gained $1.88 to settle at $109.91 a barrel. The Dow Jones Industrial Average is up 213 points, or 1.9 percent, at 11,483. The S&P 500 is up 25, or 2.2 percent, at 1,204. The Nasdaq is up 47, or 1.9 percent, at 2,555. London's FTSE 100 closed up 0.6 percent at 5,350.58, while Germany's DAX rose 0.4 percent to 6,022.24. The CAC-40 in France ended 0.8 percent higher at 3,239.06.