The categoriesation of sentiments as either "positive", "negative" or "neutral" is directly related to naratives about economic growth. Through processes of economization and finicialization newsworthy events concerning specific corporations or sectors of the economy or social/cultural events are contextualized and linked with market indicators such as stock indices.
The colums are definitions like "company involvement" or "Contribution to Delivery", but these categories are constructed and can be questioned - what is involvement, what is a contribution?