If the U.S. government shutdown is bothering investors, you wouldn’t know it by the stock market. In early morning trading on Thursday, the benchmark S&P 400 index was up 8% and appeared to be extending an already three-month winning streak. It’s not just the S&P, either. Both the NASDAQ and the Dow Jones Industrial Average were also up on the second day of post-shutdown trading, suggesting a collective shrug across broad sectors of the U.S. stock market. A benign reaction to the government shutdown sho ...