'Limit Up/Down' system may replace circuit breakers

Subjects :: United States. Securities and Exchange Commission -- Laws, regulations and rules
Stocks -- Investments
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Stock-exchange -- Services
Stock-exchange -- Laws, regulations and rules
Circuit breakers (Securities markets) -- Evaluation
Circuit breakers (Securities markets) -- Usage
Securities trading -- Methods
Securities industry -- Management
Securities industry -- Services
Securities industry -- Laws, regulations and rules
Stocks -- Prices and rates
Stocks -- Control
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