He began interested in instruments at the age of 12.

The company is a world leader in financial instruments trading systems.

The firm may also trade in stocks or related instruments.

There was interest in much larger instruments for special purposes.

They made heavy investments in financial instruments that would go up if the market went down.

Once he was 12 years old, Orlando became interested in other instruments.

I think the difference in instruments may have something to do with it.

But why were they all being trained to be expert in different instruments?

If everything went as planned nothing would happen, outside of some changes in very sensitive instruments.