- Should the Nasdaq composite close higher for the month Friday, it will have posted gains in 11 of 12 months in 2017, a first for the tech-heavy index.
- The Dow Jones industrial average – which is up more than 500 points in December – is also on track to close higher in 11 of 12 months, a feat not achieved since 1958.
- None of the major averages have ever been up every single month in a calendar year.