Stocks are issued by companies to raise cash, and the stock then continues to trade on an exchange. Overall stocks have risen over the long-term, which makes owning shares attractive. There are also additional perks such as dividends (income), profit potential and voting rights.
SENSEX is comprised of 30 stocks, while Nifty is comprised of 50 stocks.
Investment: Long term
Trading: Very short term
Traders earn money through:
Position traders hold assets from months to years,
Swing traders hold from days to weeks,
Day traders hold throughout the day and there are no overnight positions
Scalp traders hold positions for seconds to minutes and of course there are no overnight position