The Financial Districts Add-on for Cities: Skylines has 5 achievements.
Earn ₡5,000,000 through investments.
Have at least ₡1,000,000 in cash. Put all of your money into investments, then don't sell any investments for one month.
Have a bank building get flooded.
Transport ₡2,000,000 using cash transport vans in one week.
Take a loan in order to make an investment.