The total market valuation of all listed firms at the BSE had first hit Rs 100 trillion level on November 28, 2014.
Amid heavy selling in stock markets, the total investor wealth crashed below the Rs 100 lakh crore level on Monday, wiping out nearly Rs 1.54 lakh crore from Bombay Stock Exchange-listed companies' market capitalisation.
The total investor wealth, measured in terms of collective value of all listed stocks, fell to Rs 99,39,378 lakh crore, down from Rs 100.93 lakh crore at the end of last trading session on Friday.
In its biggest fall in more than three months, the benchmark BSE Sensex plunged by 537.55 points today to crack below the 26,000-mark.
From the onset, the BSE 30-share Sensex remained in the negative zone and settled 537.55 points or 2.05 per cent down at 25,623.35, its weakest closing since September 22.
As many as 27 scrips, out of the 30-share Sensex pack, ended lower.
The broader markets too came under selling pressure with the mid-cap index falling 1.20 per cent and small-cap dropping 1.11 per cent.
The total market valuation of all listed firms at the BSE had first hit Rs 100 trillion level on November 28, 2014.
BSE is among the world's ten largest exchanges in terms of market value, while it is the largest globally for number of firms listed on its platform. Over 2.9 crore (29 million) investors trade on it.