These factors plus others are used in a valuation model to create an estimate for risk premiums over the next 30 years.

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There have been previous efforts to gauge the radiation risk for future Mars travelers, but the best estimate is coming from NASA's Curiosity mission.

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On the other hand, two of the five screens with the worst risk-adjusted returns look for negative earnings estimates revisions ( Estimate Revisions: Down 5% and Estimate Revisions: Lowest 30 Down).

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After adjusting for these factors, the authors argue that the best estimate of the equity risk premium worldwide in future is 4-5 percentage points.

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In turn, they are a high risk for the franchise, who, despite all manner of available tools, is ultimately left to estimate what message is sent, how it is interpreted, and what are its real results.

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The day started out with the announcement that Bank of America would be laying off 16, 000 workers which helped sink the market, but better than expected jobless claims and a Philly Fed index that came in ahead of the consensus estimate, along with a solid IPO pop for real estate research site Trulia, aided the recovery in risk assets.

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