teenie: One-sixteenth of a point.

tick: A price change in a security’s trades. If the next trade takes a security up in price, it’s an uptick; if it takes the security down, it’s a downtick. In futures and options trading, a tick is the minimum change in price, up or down.

trading range : The spread between the high and low prices of a security or commodity within a particular period.

Treasuries: Debt obligations of the U.S. government that are secured by its full faith and credit. Treasuries include bills (maturities of less than one year), notes (maturities of 1 to 10 years), and bonds (maturities of more than 10 years).