Final answer:
In the bond market, investors are least likely to interact with a public corporation.
Step-by-step explanation:
An investor is least likely to interact with a public corporation in the bond market.
In the bond market, investors buy and sell debt securities issued by governments and corporations. These debt securities represent loans made by investors to the issuer.
Unlike the primary market and secondary market, where investors can buy and sell shares of public corporations, the bond market deals primarily with debt instruments.