accuracy ratio . Since 1934, congress convenes that in the first week of January and includes these members who were newly elected and remained from last Nov. As a result, that several important events have been push to January, which will affect the US economy and stock market.
The five 5 major errors were during following reasons: 1966& 1968 was affected by Vietnam War; 1982 started to saw the major bull market, and 9/11 in 2001 chopped the market. The anticipation of Iraq war was held down the market in January 2003.