Greatest Scams of Stock Markets : The stock markets have made many people rich but at the same time many have lost everything.

Charles Ponzi was an Italian immigrant who promised investors a 50% return on their money in just 45 days.

The Charles Ponzi Scheme (1920)

The Charles Ponzi Scheme (1920)

He did this by paying early investors with money from new investors, creating a pyramid scheme.

The Charles Ponzi Scheme (1920)

The Charles Ponzi Scheme (1920)

The scheme eventually collapsed in 1920, leaving investors with losses of $20 million.

The Charles Ponzi Scheme (1920)

The Charles Ponzi Scheme (1920)

Bernie Madoff was a former chairman of the NASDAQ stock exchange who ran a massive Ponzi scheme for over two decades.

The Bernie Madoff Ponzi Scheme (2008)

The Bernie Madoff Ponzi Scheme (2008)

He promised investors returns of up to 12% per year, but these returns were actually paid with money from new investors.

The Bernie Madoff Ponzi Scheme (2008)

The Bernie Madoff Ponzi Scheme (2008)

The scheme eventually collapsed in 2008, costing investors an estimated $65 billion.

The Bernie Madoff Ponzi Scheme (2008)

The Bernie Madoff Ponzi Scheme (2008)

Enron was an energy company that used off-balance sheet accounting to hide billions of dollars in debt.

The Enron Scandal (2001)

The Enron Scandal (2001)

The company's stock price eventually collapsed, leading to the bankruptcy of Enron and the loss of thousands of jobs.

The Enron Scandal (2001)

The Enron Scandal (2001)

WorldCom was a telecommunications company that used accounting fraud to inflate its earnings.

The WorldCom Scandal (2002)

The WorldCom Scandal (2002)

The company's stock price eventually collapsed, leading to the bankruptcy of WorldCom and the loss of thousands of jobs.

The WorldCom Scandal (2002)

The WorldCom Scandal (2002)

Tyco International was a conglomerate that was run by two executives who engaged in a massive accounting fraud.

The Tyco International Scandal (2002)

The Tyco International Scandal (2002)

The executives were eventually convicted of fraud and sentenced to prison.

The Tyco International Scandal (2002)

The Tyco International Scandal (2002)

Bre-X Minerals was a Canadian mining company that claimed to have discovered a massive gold deposit in Indonesia.

The Bre-X Minerals Scandal (1997)

The Bre-X Minerals Scandal (1997)

However, the deposit was later found to be a hoax, and the company's stock price collapsed.

The Bre-X Minerals Scandal (1997)

The Bre-X Minerals Scandal (1997)

ZZZZ Best was a carpet cleaning company that was run by Barry Minkow.

The ZZZZ Best Scandal (1986)

The ZZZZ Best Scandal (1986)

Minkow inflated the company's earnings by creating fake invoices and customer records.

The ZZZZ Best Scandal (1986)

The ZZZZ Best Scandal (1986)

The company's stock price eventually collapsed, and Minkow was convicted of fraud.

The ZZZZ Best Scandal (1986)

The ZZZZ Best Scandal (1986)

Harshad Mehta was a stockbroker in India who used fraudulent means to manipulate the Bombay Stock Exchange.

The Harshad Mehta Scam (1992)

The Harshad Mehta Scam (1992)

He was eventually convicted of fraud and sentenced to prison.

The Harshad Mehta Scam (1992)

The Harshad Mehta Scam (1992)

Ketan Parekh was a stockbroker in India who used fraudulent means to manipulate the stock market.

The Ketan Parekh Scam (2001)

The Ketan Parekh Scam (2001)

He was eventually convicted of fraud and sentenced to prison.

The Ketan Parekh Scam (2001)

The Ketan Parekh Scam (2001)

The NSE Co-location Scam was a scandal involving the National Stock Exchange of India.

The NSE Co-location Scam (2015)

The NSE Co-location Scam (2015)

The exchange was accused of giving unfair access to certain brokers, which allowed them to profit from insider information.

The NSE Co-location Scam (2015)

The NSE Co-location Scam (2015)

The scam is still under investigation.

The NSE Co-location Scam (2015)

The NSE Co-location Scam (2015)