[St Petersburg International Economic Forum signed more than 900agreements totaling about 3.86 trillion rubles] Russian presidential adviser Kobiakov said that the total amount of contracts signed at the St. Petersburg International Economic Forum is about 3.86 trillion roubles. a total of more than 900agreements were signed, of which 43 were signed with foreign companies. The St. Petersburg International Economic Forum was held in St. Petersburg, Russia, from June 14 to 17.