The breakdown came just two days after Goldman Sachs accidentally sent out a barrage of errant trades that disrupted the exchanges where options are bought and sold.
Recent fighting has centered around Donetsk airport, where pro-Ukraine units, including patriotic volunteer battalions, have exchanged a daily barrage of grad and mortar fire with pro-Russia rebels for months.
The London exchange has fended off a barrage of potential acquirers in recent years, a tactic tacitly supported by British authorities eager to shield it from foreign regulation.
What started as a way for colleagues to exchange important academic research became a constant barrage of newsletters, receipts, and personal-sounding pleas for help…sent to thousands or millions of subscribers.
Now Ms. Sebelius, the former Kansas governor who is the public face of Mr. Obama's health care overhaul, is facing a barrage of criticism over the problem-plagued rollout of its online insurance exchange.
The exchange between Mallah and government frontbencher Steven Ciobo prompted a barrage of criticism, with the prime minister, Tony Abbott, accusing the national broadcaster of betraying Australia and saying "heads should roll".
In exchange for free Internet service, users typically must view a continual barrage of advertising, usually in a narrow bar that is ever-present on the screen.
In the brief exchange, Mr. Ayeed, the man they captured was struck by a barrage of bullets and taken into custody as the others fled.
In one memorable exchange, she sparred with a reporter over what she described as "the constant barrage of fake news" about the president.
At every turn we have willingly given up a layer of privacy in exchange for convenience; it is why we use a credit card to shop, enduring a barrage of junk mail.
