As many as 526 stocks traded on Bombay Stock Exchange from Group A, B, T and Group Z dropped to the maximum permissible limit.
However, a total of 106 companies on BSE saw their share prices touching their lowest permissible level for the day.
Some of the stocks that hit the 20 per cent lower circuit cap on BSE were Vakrangee, Arshiya, Panasonic Crabon India, Websol Energy Systems and Empee Distilleries.
It was mostly mid-cap and small-cap stocks which were the hardest hit.
According to rules, a daily circuit filter of up to 20 per cent is applicable to all shares, barring scrips on which derivative products are available.
The stock market benchmark Sensex crashed 1,624.51 points -- its biggest single-day fall -- to 25,741.56 points.
Besides, investors' wealth measured in terms of total market capitalisation of all listed companies narrowed by more than Rs 7 lakh crore and crashed below Rs 100-lakh crore mark to end the day at Rs 95,33,105 crore.
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