Is Charging or Earning Interest a Sin?

Exodus 22:25 says, “If you lend money to any of My people who are poor among you, you shall not be like a moneylender to him; you shall not charge him interest” (NKJV). Several other Bible passages reiterate the same theme: God prohibited His people from charging interest on their money, at least when loaned to a fellow Israelite.Considering this, is it a sin for modern Christians to put their money in the bank or financial markets for the purpose of earning interest? Does capitalism contradi...