What customer information can we collect and sell?
Judaism values privacy, but it's unclear how much.
Jewish ethics demand that we be scrupulous in paying taxes.
Does Judaism allow high-risk investments and gambling?
Jews (not surprisingly) fall on different sides of the issue, but Jews and Israel have also been the target of anti-globalization anger.
Selling the tools of violence to people prone to violence violates the biblical prohibition of "setting a stumbling block before the blind."
Insider trading--using privileged knowledge for profit in the stock market--violates many Jewish principles.