Wearing foul-smelling, black, outdated dresses, grimy black cotton gloves, bonnet, a cape and carrying a shabby umbrella, Hetty Green scurried between raunchy flats and her headquarters, the Chemical National Bank vault. Eating
crackers, oatmeal, and sometimes, unwrapped ham
sandwiches from the filthy folds of her pockets, Hetty sat
cross-legged on the vault floor clipping coupons...
Inside story of the National Stock Exchange’s amazing success, leading to hubris, regulatory capture and algo scam