“Some economists, when thinking about long memory, are concerned that it undercuts the Efficient Market Hypothesis that prices fully reflect all relevant information; that the random walk is the best metaphor to describe such markets; and that you cannot beat such an unpredictable market. Well, the Efficient Market Hypothesis is no more than that, a hypothesis. Many a grand theory has died under the onslaught of real data.” Benoît B. Mandelbrot
27 September 2011
SP 500 and NDX Futures Daily Charts
We get the third estimate of US Second Quarter GDP on Thursday but otherwise the domestic news is light, and US markets are being dominated by sovereign debt concerns in Europe.