The study looked at the Bombay Stock Exchange to see if there were patterns in returns on different days of the week and if there was volatility in those returns. They used tests to compare returns and volatility across different days and found that there was no consistent pattern in returns based on the day of the week. They also found that there was not a significant difference in volatility between weekdays. Overall, the stock exchange saw significant growth between 2001 and 2010.