A jump in auto sales, rising tech stocks, and some good economic news helped drive he market up. Automakers surged after posting strong August sales that gave the industry its best month in six years. A trade group said factories increased production last month at the fastest pace since June 2011. Investors were also looking ahead to Friday’s August jobs report. Economists are expecting 177,000 more jobs and an unemployment rate that held steady at 7.4%, FactSet reported. The jobs report is the last big piece of economic data the Fed will have to work with before it decides whether to start pulling back its massive program of bond-buying.