The article explores how efficient the Nifty 50 stock market index is at processing new information, like earnings reports. The researchers tested if stock prices follow a random pattern and how quickly they adjust to news. They found that the Nifty 50 doesn't follow a random pattern in the short or long term. Two major stocks, Reliance Industries and HDFC Bank, were significantly affected by events, with their prices dropping before adjusting. This suggests that the market didn't react quickly to available information.