# Entity Title: Bucket Shops  
## Definition  
Bucket shops are facilities where individuals could trade stocks in small quantities, often with unscrupulous practices focused on exploiting customer behavior rather than genuine trading.  
## Category  
market  

# Entity Title: Larry Livingston  
## Definition  
Larry Livingston is a pseudonym used by the narrator, who became well-known for successfully trading and defeating bucket shops.  
## Category  
trader  

# Entity Title: Boy Plunger  
## Definition  
The nickname "Boy Plunger" was given to the narrator due to his aggressive trading style and ability to beat the bucket shops.  
## Category  
trader  

# Entity Title: Cosmopolitan Stock Brokerage Company  
## Definition  
The Cosmopolitan Stock Brokerage Company is depicted as a large, reputable brokerage firm where the narrator eventually found a place to trade, known for its extensive business and numerous branches.  
## Category  
institution  

# Entity Title: Margin  
## Definition  
Margin refers to the funds required to open and maintain a trading position, influencing the level of risk associated with trades. In this context, it reflects the narrator's experience with different amounts of capital and the behavior of risk.  
## Category  
evidence_bearing_claim  
## Source Evidence  
"If all I have is ten dollars and I risk it, I am much braver than when I risk a million..."  

# Entity Title: Trading Strategy  
## Definition  
The narrator's approach involves starting with small positions in stocks and escalating his trades as he gains confidence, often using deception to outmaneuver brokers.  
## Category  
strategy