US stock markets Thursday continued their bull run of 2013, closing at fresh records after a strong US unemployment report. At the closing bell, the Dow Jones Industrial Average shot up 122.49 (0.75 percent) to 16,480.04, finishing at a record high for the sixth straight session. The S&P 500, closing at a record high for the fourth straight session, added 8.55 (0.47 percent) at 1,841.87. The tech-rich Nasdaq Composite Index increased 11.27 (0.27 percent) to 4,166.69.