(a) Yes. 

(b) Functions of a Stock Exchange 

(1) Providing Liquidity and Marketability to Existing Securities:

Stock Exchange provides a ready and continuous market for the sale and purchase of securities. 

(2) Pricing of Securities :

A stock exchange is a mechanism of constant valuation through which the prices of secuqjies are determined. It is based on the forces of demand and supply. 

(3) Safety of Transaction:

Stock exchange has its own well defined rules and regulations. This ensures safety and fair dealings to investors.

(4) Contributes to Economic Growth :

Stock exchange provides a platform by which savings are channelised into the most productive investment proposals, which leads to capital formation and economic growth.

(5) Providing Scope for Speculation :

Stock exchange provides scope within the provisions of Law for speculation in a restricted and controlled manner.

(6) Economic barometer:

A stock exchange serves as a barometer of a country’s economic condition. Price trends in stock exchange indicate whether economy is going through boom or depression