If you invested $1,000 in Berkshire Hathaway in 1980, that amount would be $532,165 higher today.

http://finance.yahoo.com/news/warren-buffett-facts-about-his-wealth-193006548.html

3 things look into before buying stock

P/E/ Dividend/ Earning
Cisco
Systems, Inc. (CSCO) -NasdaqGS Follow 24.84 Up 0.04(0.16%) 1:16PM EDT - Nasdaq Real Time Price Prev Close: 24.80 Open: 24.73 Bid: 24.80 x 17700 Ask: 24.81 x 26900 1y Target Est: 26.15 Beta: 1.23 Earnings Date: Nov 11 - Nov 17 (Est.) Day's Range: 24.64 - 24.88 52wk Range: 20.22 - 26.08 Volume: 6,862,938 Avg Vol (3m): 25,998,700 Market Cap: 127.21B P/E (ttm): 16.76 EPS (ttm): 1.48 Div & Yield: 0.76 (3.00%)