NYSE invokes Rule 48 in effort to smooth market open


The New York Stock Exchange on Tuesday invoked Rule 48, a measure designed to smooth the opening of the market amid potentially volatile conditions. The rule allows the exchange’s designated market-makers to refrain from disseminating price indications ahead of the opening bell, making it easier and faster to open stocks on days when trading could be volatile. Stock-index futures point to a sharply lower open for stocks.

http://www.marketwatch.com/story/nyse-invokes-rule-48-in-effort-to-smooth-market-open-2015-09-01?link=MW_latest_news