Финансовые инструменты, финансовые активы - совокупность рыночных продуктов финансовго характера: ценные бумаги, денежные обязательства, валюта, фьючерсы, опционы и т. д.

Written or printed document of which the main effect is to entitle a specified person to a sum of money; especially such a document in a commonly used, standardized form such as a certificate of deposit or a bill of exchange.

Dictionary of Management by French and Saward, Gordon Press.

A commonly used term denoting various various derivative market products.

There is too little of the original context to make a definitive translation. However, the following sort of captures your sentence:

"The agreement herein shall not be limited by any kind of (commercial) purchase or sales instrument."

Russian "legal contract" language is undergoing a great deal of change at the present. I would suggest contacting a Russian business lawyer specializing in contact law if there is sizeable equity involved in this transaction.