This article will be updated throughout the day, so check back often for more daily updates. The U.S. Bureau of Labor Statistics reported a surprise decline in wholesale inflation, represented by the producer price index (PPI), yesterday, boosting the Vanguard S&P 500 ETF (NYSEMKT: VOO). This morning, we got the complementary set of inflation numbers … Stock Market Live September 11: S&P 500 (VOO) Inches Higher on Mixed Unemployment, Inflation News