NEW YORK, July 6 (Xinhua) -- U.S. stocks traded on an upbeat note on Friday as investor sentiment was bolstered by encouraging jobs data.

At midday, the Dow Jones Industrial Average jumped 138.86 points, or 0.57 percent, to 24,495.60. The S&P 500 was up 24.75 points, or 0.90 percent, to 2,761.36. The Nasdaq Composite Index climbed 91.19 points, or 1.21 percent, to 7,677.62.

The Dow reversed early losses to secure triple-digit gains with McDonald's and Microsoft among the best performers. Shares of the companies rose 1.51 percent and 1.37 percent, respectively. All the 11 primary S&P 500 sectors traded higher. The Nasdaq Composite also advanced as share of Biogen surged more than 15 percent around midday.

On the economic front, total nonfarm payroll employment increased by 213,000 in June, beating market consensus, while the unemployment rate rose to 4.0 percent, the U.S. Labor Department reported. Job growth occurred in professional and business services, manufacturing, and health care, while retail trade lost jobs.

Wall Street also kept a close watch to the latest U.S.-China tariff moves.

The United States announced the 25-percent additional tariff on 34 billion U.S. dollars of imports from China took effect on Friday, Immediately after that, China's retaliatory tariffs of equal scale went into force. Enditem