> read the arguments that the microsecond trading serves a purpose that benefits all of us, but I fail to see how, even with the explanations
What about an empirical argument? Microsecond trading reduces spreads and decreases volatility. It looks useless, so people try to regulate it away, and every time they do spreads widen and trading firms' and banks' profits fatten.
> Every 30 seconds. Cap the power of connection speed in trading
I'd go back to Wall Street if this happened: it would make market making profitable again.
What about an empirical argument? Microsecond trading reduces spreads and decreases volatility. It looks useless, so people try to regulate it away, and every time they do spreads widen and trading firms' and banks' profits fatten.
> Every 30 seconds. Cap the power of connection speed in trading
I'd go back to Wall Street if this happened: it would make market making profitable again.