Stock Markets Head Lower -- Is "Quadruple Witching" to Blame?

Stock Markets Head Lower -- Is "Quadruple Witching" to Blame?

The stock market has started to show signs of rising concern in September, with investors no longer seeing major benchmarks moving straight up. The S&P 500 (SNPINDEX: ^GSPC) fell 22 points to 3,335, and the Nasdaq Composite (NASDAQINDEX: ^IXIC) lost 94 points to 10,816. Today, for instance, market participants are referring to something called "quadruple witching" as having a possible impact on stocks.