In Cape Town, people with a beef march on parliament. In Johannesburg, they tend to march on the JSE - as the EFF did in October 2015 at the height of the #FeesMustFall rallies, and as protesters against gender-based violence did last month to demand action by JSE-listed companies.

It's not immediately obvious why the JSE should be the target. It's really just a trading platform, the regulator for companies that go to the equity and bond markets to raise capital, rather than the seat of capitalism.

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