Earlier quoted context omitted.
No one ever stopped women from pursuing career in high-frequency trading or anything else. No one ever stopped women from inventing Amazon or Microsoft from their garage. No one ever stopped women from choosing to graduated in science, maths, finance, rather than art, litterature, or "gender studies".
As recently as 1970 women in the US weren't allowed to open checking accounts or get loans from a bank by themselves, but tell me more about how no one _ever_ stopped women from doing what they want.
i.e, the banking situation you mention was not a barrier to employment whatsoever.