New York (AFP)

All three New York Stock Exchange indices ended sharply higher on Monday, revived by positive news on vaccines and the progress of the US support plan for Congress.

According to final results, the Dow Jones concluded up 1.95% to 31,535.51 points.

The technology-heavy Nasdaq gained 3.01% to 13,588.83 points, its largest single-session advance since November 4.

The S&P 500 climbed 2.38% to 3,901.82 points, posting its strongest single-session advance since June 5.

"Last week, everyone was a little scared for technical reasons in relation to inflation," said Gregori Volokhine of Meeschaert Financial Services, recalling how the rise in bond rates had made the markets nervous.

"Today, it is totally forgotten, since now we are focusing much more on the prospects of the Johnson & Johnson vaccine and the acceleration of the vaccination process in the United States," said the analyst.

At Wall Street's close on Monday, the bond rate on 10-year Treasuries was hovering around 1.42% just after peaking at 1.60% last week, driven by fears of overheating. the economy that could revive inflation.

The announcement before the weekend of a green light from medical regulatory authorities in the United States for the single-dose anti-Covid vaccine from Johnson & Johnson reinforced "optimism on a solid economic recovery in the second half of 2021", underlined -on at Schwab.

This American vaccine should also be approved by the European Medicines Agency in early March, and distributed from late March or early April.

J&J shares gained 0.59%, that of Pfizer + 0.63% and Moderna + 1.67%.

Investors were also reassured by a good manufacturing indicator.

The sector activity index, established by ISM, showed in February an increase of 2.1 points to 60.8%, above expectations.

Finally, according to Gregori Volokhine, Joe Bien's massive $ 1.9 trillion support plan is "coming true".

"We do not see now what could stop it" when it must be voted in the Senate this week, approved by the House then "to be on Joe Biden's desk before March 14", date which ends the extension of unemployment benefits, noted the expert from Meeschaert Financial Services.

Stocks from the traditional economy, sensitive to a return to normal activity, such as airlines or cruise lines, have made significant progress, like American Airlines (+ 1.15%), United Airlines (+1 , 20%), Norwegian Cruise (+ 0.98%).

Boeing gained 5.84% after receiving an order for 25 737 Max aircraft from United Airlines.

Among the tech greats, Apple gained 5.39%, FaceBook 2.83%.

"It must also be said that it is the first day of the month, there is a lot of fresh money that has entered the market," said Gregori Volokhine.

© 2021 AFP