Research Article
A Novel Machine Learning Strategy Based on Two-Dimensional Numerical Models in Financial Engineering
Table 1
Different periods with different trends in U.S. stock market index.
| Period | DJI | S&P 500 | NASDAQ | Conclusion |
| 2011.9.1~2011.11.30 | Down | Down | Sideways | NASDAQ are better than DJI and S&P 500 | 2011.11.30~2013.2.1 | Up | Up | First up, second down, again up | NASDAQ would have a complex trend | 2011.11.30~2012.2.13 | Up | Up | UP | All up | 2013.2~2014.12 | Stock crash | Stock crash | Sideways | Active in the Nasdaq Capital Market |
|
|