A knock-out option is a type of option with a built-in mechanism to expire worthless if a specified price level is reached.

A knock-in option is a type of latent option contract that starts to function only after a certain price is reached before expiration. 

Positive pay is an automated cash-management service aimed at deterring check fraud.

Paga is a mobile app that allows its users transfer money and make payments right through their mobile devices.

Hard dollars are payments made by a customer to a brokerage firm in return for their services. 

Herd instinct in finance is the phenomenon where investors follow what they see other investors are doing, rather than follow their own analysis.

Love money is capital expanded by family or friends to an entrepreneur to start a business. 

Lost Decade is a common term used to describe the 1990s decade in Japan. It was a period of economic stagnation which became one of the longest economic crises in recorded history.

Junior security is a security that has lower priority claim than other securities with accordance to the income or net worth of its issuer. 

Junk bonds are the type of bonds that carry a higher risk of default than most of the bonds issued by corporations and governments.