Number Theory: The journey of BSE Sensex to 75,000 points

BSE Sensex, the benchmark index of the Indian stock market, briefly crossed 75,000 points for the first time in history on Tuesday. It opened at 75,060 points, 0.4% above the previous day’s close and then ended the day’s trading at 74,683.70, down 0.08% from the day’s opening.

The index touched a new record a day after its market capitalisation, the value of all outstanding shares of Sensex 30 companies, crossed ₹400 lakh crore for the first time since its inception.