FIIs pull out massive Rs 20,637 crore in single day on Friday. What led to this sharp exit?

Foreign portfolio investors offloaded Indian equities worth a net Rs 20,637 crore on Friday, marking one of the sharpest single-day selloffs. This significant outflow coincided with the MSCI index rebalancing, leading to heightened trading volumes and prompting questions about the role of high-frequency trading in amplifying market movements.