Equity Investment OR Stock Investment OR Share Investment means exactly the same. Share/equity/stock of all publicly owned companies, like ICICI Bank, Infosys, HDFC Bank, TCS, Tata Motor, Reliance Industries, L&T, etc. are listed on Stock Exchanges. Investment into Equity OR Stock OR Share of companies traded on Stock Exchanges through DEMAT account is Equity OR Stock OR Share investment. Stock/equity/share can be bought, sold and held in a Demat Account.
Demat account is mandatory for investing into Equity. Demat account provides facilities to Buy, Sell and Hold Equity investments. Demat account can be linked to any bank account. Popular Demat account service providers are Zerodha, Upstox, Groww, Sharekhan, ICICIDirect, HDFC Securities, Geojit, etc.