|1||Category 7370 containing Google, Facebook, Twitter, etc. is better than category 7373 containing Yahoo in revenue performance.|
(2–1) Companies with low revenue performance tend to write a shorter “Risk Factors” item section, to skip over risks.|
(2–2) Companies with high revenue performance tend to write a shorter “Risk Factors” item section because they think there are fewer risks in their business.
(3–1) In item “Risk Factors”, a positive/negative tone correlates with sales performance|
(3–2) Using the positive/negative text analysis results in the “Risk Factors” item section, we can group companies by sales performance.
|4||The occurrence patterns of words in “Risk Factors” are correlated with sales performance.|