Global equity markets popped yesterday, intensifying their October rally to 15% for the MSCI US Broad Market Index and 21% for the FTSE All World Index (ex-US). The enthusiasm was sparked by two events that equity investors broadly took as good news. European Union leaders agreed on a deal to theoretically end the two-year financial crisis with Greece at its center. And in the US, Gross Domestic Product grew in the third quarter 2.5%, more than was expected and following a 1.3% rate in the second quarter. But while conditions may be improving ever so slightly, the disease remains without serious work for cure.

Markets yo-yoed this week on news of Europe’s progress and lack of it in addressing their increasing debt concerns. Domestic economic news, both good and bad had little impact indicating that Europe’s problems may ours for months to come.

Psychologists have uncovered a fascinating phenomenon about people at the racetrack. The moment after placing their bet on a horse they become much more confident of their horse’s chances of winning than they were immediately before placing their bet. Is it possible that the very same thing happens the moment we invest in a stock or a mutual fund? 

How many times and in how many situations lately have we heard the familiar refrain we’ve never seen anything like this? Whether the subject is politics, housing, jobs, stocks, sovereign debt, corporate ethics, or American wars, experts find themselves unable to find comparison or remedy. Having no historical frame of reference makes us anxious. We naturally prefer familiarity over the unfamiliarity. We like trends and historical context on which to base our projections. We do not like unproven ideas.