Banks perform three basic functions within their trading activities. 1.Offer investment advice and assistance to customers managing their own portfolios 2.Maintain an inventory of securities for possible sale to investors their willingness to buy and sell securities is called making a market 3.Traders speculate on short-term interest rate movements by taking positions in various securities 的资5土号Banks perform three basic functions Banks perform three basic functions within their trading activities. within their trading activities. 1. Offer investment advice and assistance to customers managing their own portfolios 2. Maintain an inventory of securities for possible sale to investors „ their willingness to buy and sell securities is called making a market 3. Traders speculate on short-term interest rate movements by taking positions in various securities