English to German Bus/Financial Engineering (general)

For example, identifying fundamental trends from management comments on company earnings calls was most additive.

Aus einem Jahresbericht. Es geht darum, was positiv und negativ für die Performance war, mit dem "additive" kann ich hier leider nicht viel anfangen.

Der ganze Abschnitt lautet:
The bright spot of the stock selection model was quality insights, with both generic as well as next generation insights making a positive contribution.◊ ◊For example, identifying fundamental trends from management comments on company earnings calls was most additive.◊ ◊Finally, our ESG signals made a small positive contribution.◊ ◊More precisely, insights focused on previous controversies helped motivate an underweight position in Nordic banks (e.g. xxx Bank) which fell heavily due to the money laundering scandal involving Russian businessmen.