Nov. 23 (UPI) -- The major U.S. indexes climbed Monday amid news that another COVID-19 vaccine was shown to be highly effective in tests.
The Dow Jones Industrial Average rose 327.79 points, or 1.12%, while the S&P 500 gained 0.56% and the Nasdaq Composite grew 0.22% after AstraZeneca said the vaccine it is developing alongside Oxford University has an average efficacy of 70%.