# Entity Title: Burlington  
## Definition  
Burlington is a specific security mentioned in the context of trading, which the narrator's acquaintance believed would increase in value.  
## Category  
instrument  

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# Entity Title: bucket shop  
## Definition  
A bucket shop is a trading venue where individuals bet on fluctuations in stock prices as indicated by the ticker tape, often with minimal capital.  
## Category  
market  

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# Entity Title: trading on tips  
## Definition  
The practice of making trading decisions based on informal tips or advice from others, typically seen as a strategy employed by amateur traders.  
## Category  
strategy  

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# Entity Title: speculative trading  
## Definition  
A method of trading where the focus is on making profit from price fluctuations rather than holding investments based on strong fundamentals or long-term growth prospects.  
## Category  
strategy  

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# Entity Title: arithmetic trading  
## Definition  
A trading approach based on mathematical calculations and patterns observed in market behavior rather than on emotional or opinion-based decisions.  
## Category  
strategy  

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# Entity Title: office-boy  
## Definition  
A term referring to a young individual employed in a brokerage office, in this context representing the narrator's initial role and perspective in the trading environment.  
## Category  
trader