If anyone is actually interested in hearing the answer to the original question than that would be great. I myself am a practicing Jew.
I would first like to say that not all Jews are rich. I lived in Israel for two years and there are plenty of poor Jews.
Secondly, when Jews were being prosecuted, non-Jews would not hire them to work. The only way Jews could make a living was to start there own business. Some non-Jewish work places that would actually hire Jews might force them to work on Jewish holidays, forcing the practicing Jews to quit and find employment elsewhere. This is why many of the big old companies are owned by Jews. If they couldn't find work than they went looking for the education to help them become successful.
To the person who said that Jews do not talk about G-d anymore. I am sorry that you have not met actively practicing Jews that really do have faith, and actually try to be good people. Every religion has its bad apples. No religion is perfect. You can't base a whole religion off of one type of Jew. There are many types of Jews that exists today.