English to Persian (Farsi) Bus/Financial Finance (general)

Hello,
How would you translate 'securities that were sold as solid investments' into Farsi?

Context

The 2008 economic crisis wasn’t just about money – it dealt too with moral and ethical issues. Dishonesty, arrogance, greed and denial were rife among global bankers. Those in the industry or working with the industry wound themselves up in a web of morally questionable practices.
Mortgage lenders approved loans for people who had no jobs, income or assets. Bankers on Wall Street bundled these faulty loans into securities that were sold as solid investments.