The breaker, which was only introduced in the soft contracts on April 9, was activated as Arabica prices on ICE Futures U.S. sank 4 cents, equivalent to 2.2 percent, in just 15 seconds at 11:18 a.m. EDT (1515 GMT). The Atlanta-based exchange operator has introduced these interval price limits (IPLs) in softs and other contracts to try and prevent price spikes that are often associated with high-speed electronic trading. Similar systems have been in place in equities for quarter of a century. The system may have prevented further declines-traders. Reuters April 25, 2012 (Reuters) - A sharp, swift drop in coffee prices on Wednesday triggered IntercontinentalExchange Inc's new circuit breaker for the first time since the new system was launched just over two weeks ago to prevent extreme price volatility. The breaker, which was only introduced in the soft contracts on April 9, was activated as Arabica prices on ICE Futures U.S. sank 4 cents, equivalent to 2.2 percent...