How do cds appear in multiple markets

I think they appear in multiple markets because they are objects from long ago even some still use them today to re-watch there favorite movie that was from long ago before tvs and cell phones were invented. CD's are definitely still popular to re-watch videos or movies and some other things but I think CD's are so popular in multiple markets because people have so many of them.

I hope this helps if so could I get brainliest?

Explanation:

The answer is: That CDs appear in multiple markets as a form of safe savings or investment.

Explanation:

A certificate of deposit (CD) is a product offered by banks and credit unions that offers an interest rate premium in exchange for the customer agreeing to leave a lump sum deposit intact for a predetermined period of time.  

Shopping is crucial to find the best CD rates because different financial institutions offer a surprisingly wide range.

Deposit certificates are one of the safest savings or investment instruments available, for two reasons. First, its rate is fixed and guaranteed, so there is no risk that the return of your CD will be reduced or even fluctuate.  

And Second, CD investments are also protected by the same federal insurance that covers all deposit products.  

The answer is: That CDs appear in multiple markets as a form of safe savings or investment.