أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Credit rating aims at measuring the credit worthiness of a firm or a country or institution or an individual.
Investment Banking is with a much wider scope. Investment Bankers undertake Equity Research, Valuation of companies for Mergers & Acquisitions, Investment decisions in various asset classes such as stocks, bonds, etc.