The Economist has an article covering how large the Islamic finance market has grown.
Ensuring that financiers comply with sharia is becoming big business.
THERE are many ways to get rich in a boom town like Dubai—investing in property is the most obvious—but nowadays one of the most lucrative jobs in the Gulf's financial hub is that of sharia scholar. This Muslim legal expert gives fatwas, the final Islamic seal of approval, to financial instruments he deems “sharia-compliant” at a time when investment by Muslims (especially from the oil-rich Arabian peninsular) in global financial markets is soaring. Pious Muslims equate the charging of interest to usury, which is forbidden; they also shun investment in such areas as gambling, tobacco, drink and the arms trade.
Read the full Economist.com article.