Yellow sheets is a name for the bulletins which contain the info on the price of the corporate bonds in so-called over-the-counter market. Yellow sheets contain info such as closing, opening process, highs and lows and yield.

Y-Shares are the class of institutional shares which are usually offered by the open-end mutual fund. This class of shares usually demands a very high entry fee – usually starting with $25.000. they usually come with the benefit of waived and limited load charges and lower comparative annual fees.

A yield elbow is the point on the yield curve indicating the year in which the economy had the highest interest rate. It is the graphical relationship between the yield and maturity of bonds with various maturities and the same credit quality, at a specific point in time.

Yuppie is a derogative term used to describe a segment of the market, dominated by young urban professionals. The main feature of such a professional are youth, affluence and success in the field. The like to show off and are often the bud of the jokes for older traders.

Yo-yo is a slang term that is often used in order to describe an extremely volatile market conditions. The name comes from the children’s toy yo-yo that is constantly going up and down, just like the securities in this type of market. A yo-yo market has no featured of the up or down market as the securities in it has high and low swings which make it the most difficult to hold onto the assets in it.

Broadly counts for an income return on investment. Also refers to interest or dividends income from a security calculated as a percentage based on market value, face value and investment’s cost.