The main US stock indexes finished trading mostly in the black on the back of rising prices for technology sector shares and industrial companies, as the latest deal to save the North American Free Trade Agreement (NAFTA) increased hopes for progress in US negotiations with other countries at the beginning of the fourth quarter.

The focus of investors' attention was also data on the United States. The report, published by the Institute for Supply Management (ISM), showed that in September, activity in the US manufacturing sector weakened more than economists had expected. The PMI index for the manufacturing sector fell in September to 59.8 points from 61.3 points in August. Analysts had expected that the figure would drop to 60.3 points. In addition, the report showed: the price index fell to 66.9 from 72.1 in August, the employment index rose to 58.8 from 58.5, the index of new orders fell to 61.8 from 65.1, and the stock index fell to 53.3 s, 55.4.

Oil futures rose by about 3% on Monday, the reason for which was concern over the reduction of supplies, as soon as US sanctions against Iran take effect next month.

Most of the components of DOW finished trading in positive territory (23 out of 30). The leader of growth was the shares of The Boeing Company (BA, + 2.74%). Outsider were shares of Intel Corporation (INTC, -1.88%).

Most S & P sectors recorded a decline. The utilities sector showed the greatest decrease (-0.4%). The commodities sector grew most (+ 1.3%).

At closing:

Dow 26,651.21 +192.90 +0.73%

S & P 500 2,924.59 +10.61 +0.36%

Nasdaq 100 8,037.30 -9.05 -0.11%