
If you think investors shouldn't have a rooting interest in Sunday's big game, the Super Bowl Indicator might just change your mind.
Experts, amateurs and idiot savants alike have forever gone to great lengths to divine the direction of share prices. Just as the ancients studied the entrails of sheep, today's would-be market prognosticators have looked for auguries in shades of lipstick, the production of cardboard boxes, aspirin prices, the lengths of women's skirts and the cover of the Sports Illustrated Swimsuit Issue.