New Delhi, Dec. 24 -- An investment operation is one which, upon thorough analysis, promises safety of principal and an adequate return. Operations not meeting these requirements are speculative.

- Benjamin Graham, economist and financial investor

Value investing is one of the best ways to build long-term wealth in the stock market. This investing style was developed by Benjamin Graham, the father of value investing, about 100 years ago.

The stocks that promise 'safety of principal' and 'adequate return' are called value stocks. These are shares of companies with good quality fundamentals and decent growth prospects.

However, due to various reasons, these stocks may be undervalued by the market in the short term. This makes value stoc...