Wall Street stocks suffer worst week in a decade

After another day of volatile trading, the Nasdaq, Dow and S&P 500 are on pace for their worst month since 2009Wall Street stocks fell in volatile trading on Friday, with the Nasdaq, Dow and S&P 500 on pace for their worst month since 2009.After another day of highly volatile trading the tech-heavy Nasdaq sank to a 15-month low, falling as much as 21.5% from its 29 August high. The benchmark S&P 500 index, already on pace for its biggest percentage decline in December since the Great