Quirky quant? Is efficient-market theory becoming more efficient?

Some highlights from this article:  That helps explain the rise of the quantitative investors, or “quants”, who attempt to exploit anomalies—quirks that cannot be explained by the efficient-market hypothesis. One example is the momentum effect: shares that have outperformed the market in the recent past continue to do so. Another is the “low-volatility” effect: shares …

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