The stock exchanges in New York mainly opened with losses on the last trading day of November on Monday.
Investors on Wall Street are taking a breather after the boom of the past period, fueled by the corona vaccine heap.
Shortly after inception, the Dow Jones index recorded 0.7 percent lower at 29,700 points. The broad S&P 500 fell 0.4 percent to 3,624 points, and the Nasdaq technology gauge was flat at 12,263 points.
Pharmaceutical Moderna announced that it is seeking approval for its corona vaccine in the United States and the European Union. The American company does this after the efficacy has also been shown after an extensive analysis.
The vaccine is 94.1 percent effective, and there are hardly any severe side effects. The Moderna share won over 17 percent.
Attention is also focused on the oil sector, as countries of the OPEC oil cartel and allies (OPEC +) are discussing whether or not to renew the agreements on production restrictions.
In anticipation of that decision, the oil price dropped slightly on Monday after reaching its highest level in months. Oil companies such as Chevron, Occidental Petroleum, ExxonMobil and ConocoPhillips lost up to 2.4 percent.