NYSE to implement new volatility procedures Monday

NEW YORK (Reuters) – The New York Stock Exchange will implement changes Monday to its opening procedures as it seeks to speed up trading and make it more efficient even on volatile days.
The new procedures would eliminate “Rule 48,” which allows market makers to delay opening a stock when markets are volatile.
Under the changes, parameters governing NYSE and NYSE MKT pre-open price indications as well as those governing automated openings would be simplified and would adjust f