Traders work on the floor at the New York Stock ExchangeBy means of Rodrigo Campos and Herbert Lash NEW YORK (Reuters) – Investors who had wager on the American shopper whilst the U.S. economy used to be entering the Great Recession are the largest winners because the S&P 500 inventory index set a new closing document on Thursday. Hundreds of thousands of jobs were lost in 2008 and 2009, the toughest recession in half a century, and lots of Americans noticed the worth of their investments and their properties dive. The U.S. shopper retrenched, excited about paying down debt. …