# Entity Title: Quotation-Board Boy
## Definition
A role in a stock-brokerage office responsible for updating and displaying stock prices on a quotation board for customers.
## Category
trader

# Entity Title: Tape
## Definition
A method of recording and displaying stock price fluctuations over time, used as a tool for traders to anticipate price movements based on historical behavior.
## Category
instrument

# Entity Title: Stock Prices Behavior
## Definition
The patterns and tendencies that stock prices display during various market conditions, which can be observed and analyzed to anticipate future movements.
## Category
strategy

# Entity Title: Observation Journal
## Definition
A personal record maintained by a trader, documenting stock price movements, anticipated fluctuations, and the accuracy of past observations.
## Category
strategy

# Entity Title: Wall Street Speculation
## Definition
The practice of buying and selling stocks with the aim of profiting from changes in price, based on the belief that historical patterns will repeat.
## Category
strategy