BTW - watched "Gafla" yesterday - Film on Harshad Mehta.
To me, it seemed like a different world altogether. It's unimaginable today that 2 groups can control the fate of the entire market. Maybe, individual mid-smallcap stocks but it's impossible to tame the NF beast.
The most you can do today is orchestrate a flash crash (not easy) and that too at your own peril.