Question

A commodity in which someone invests might include a

Answer 1

A market which trades in primary economic sector rather than manufactured products is referred to commodity markets.
Commodity markets in which someone invests, might include physical trading and derivatives trading using spot prices, forwards, futures, and options on futures. 

Answer 2

Answer:

Commodities are tradable goods in the stock market. There are energy (oil, coal, natural gas), metals (copper, nickel, zinc, gold and silver) and food or inputs (wheat, corn or soybeans).

In times of economic instability, investments tend to move from the stock market to less risky products such as commodities, increasing their value as demand rises.