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Beginner questions about stock market
1st question: If I bought 1 percent share of company X, but   unfortunately it closed down because of some reason as it was 1   million in debt. Since I had 1 percent of it shares, does it mean I   also have to pay the 1 percent of it's debt? Stock holders are not liable for anything more than their current holdings.  In cases of Ch11 bankruptcy stock holders usually get nothing.  In Ch7 the holdings will be severely hit but one may get 10% of pre-bk prices.  I would strongly recommend against investing in bankrupt companies.  A seasoned trader can make plenty off short term trades. The payoff structure is usually: 2nd question: Is there an age requirements to enter the stock market?   I am 15 years old this year. Yes it is generally 18, but some firms offer a joint option that your parents can open.