MINYANVILLE ORIGINAL “Buy When It Snows Sell When It Goes.” Alas Wall Street’s time honored winter advice failed to work its customary magic last week even as the first storm of the season worked its way across the country. Investors sensibly opted not to buy into any inclement weather pattern named after a Greek mathematician. The Dow (^DJI) now negative for December thus dropped 1.92% as it fell on each day of an admittedly holiday-shortened week something which hasn’t happened since mid-May. (“Sell in May and Go Away” evidently remains a much more profitable cliché in American finance.) While Euclid’s heirs in ...