The last 40 up First Five Days were followed by full-year gains 34 times for an 85.0% accuracy ratio and a 13.6% average gain in all 40 years.

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"The last 35 years, the first five days were followed by full-year gains 30 times, for an 85.7% accuracy ratio and a 13.7% average gain in all 35 years, " reports Jeffrey Hirsch, editor of the Almanac Investor Newsletter, and son of Yale Hirsch.

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