Stock Market Prediction Based on Financial News Text Mining and Investor Sentiment Recognition

Table 1

Results of two sample t-test.

	Technical indicators only	Technical indicators + News vector
Technical indicators + news sentiment indicators	t-value/p-value	t-value/p-value
	2.91/0.01	3.01/0.01

Note. and refer to that it is statistically significant at α = 0.01,α = 0.05, respectively.