This is the 2015th most frequent Russian word.
финансовой
"Finansovoy" means "financial."
Here, "финансовой" is used as an adjective to describe the type of stability, indicating something related to finances.
Финансовой стабильностью можно достичь с умелым управлением ресурсами.
Financial stability can be achieved with skilled resource management.
In this sentence, "финансовой" is used to describe the type of situation, suggesting it pertains to monetary conditions.
Мы работаем над улучшением финансовой ситуации в компании.
We are working on improving the financial situation in the company.
Here, "финансовой" modifies "отчетности" indicating that the statements being referred to involve financial data.