General: World stock exchanges

Every part of the worlds has it's own stock market.
Some are more active then others, some are safer, others are unstable, and some sometimes come to unbelievable losses in months or less.
Some examples are given in the Capital loss blog.

Chances are you don't invest, but if you do you probably look into your country. Take time to watch other markets, some may really surprise you.

Even though most people think investments are just blind luck, they are not, if you take time to watch financial programs, news and you don't skip the economic part of the newspaper you will start to gain some insides on business and markets, you will realize that some companies are doing better than others.

Even if you have no training in finance it's not so hard to learn how to invest, you can pick your stock based on many information, critical thinking, news, market knowledge, insights on a company, you name it, if you can find a logical way to pick stocks you are already thinking like a stockbroker.

General: How to invest in stocks

Many people trade in the stock market with the same chance, but few percent of them make money in stocks. Many of these people, who don't earn enough return, have enough information about investing in the stock market. They make common mistakes and you should avoid them by having a high level of market understanding.
There are two analytic methods for investing in the stock market, technical and fundamental analysis.
Technical analysis is based on prices and volume. Technical investors believe price and volume interpret everything in the market. They study charts for forecasting of future stock price or financial price movements.
For learning technical analysis academic knowledge isn't required, with every level of knowledge you can learn it.
Fundamental analysis is a stock valuation method that uses financial and economic analysis to predict the movement of stock prices.
To begin investing in the stock market, you must choose a stock broker. A stock broker performs transactions in financial instruments on a stock market as an agent of their clients.
 The best advice you can recieve is practice makes perfect. In the investment business, paper trading is how we all start. Pick a couple of companies, make a note of their price, the date, the reason why you want to buy them and then start following the stock