Associated Press Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits.Anti-spam check. Do not fill this in! ===Hoax tweet and flash crash===<!-- [[AP Tweet Flash Crash of 2013]] and [[2013 Flash Crash]] redirect here --> On April 23, 2013, hackers posted a tweet to AP's [[Twitter]] account about fictional attacks on the [[White House]], falsely claiming that President [[Barack Obama|Obama]] had been injured.<ref>{{Cite news |date=2013-04-23 |title=AP Twitter account hacked in fake 'White House blasts' post |language=en-GB |work=[[BBC News]] |url=https://www.bbc.com/news/world-us-canada-21508660 |access-date=2023-08-19}}</ref> The hoax caused a [[flash crash]] on the American stock markets, with the [[Dow Jones Industrial Average|Dow Jones index]] briefly falling by 143 points.<ref>{{Cite news |last1=Moore |first1=Heidi |last2=Roberts |first2=Dan |date=2013-04-23 |title=AP Twitter hack causes panic on Wall Street and sends Dow plunging |language=en-GB |work=[[The Guardian]] |url=https://www.theguardian.com/business/2013/apr/23/ap-tweet-hack-wall-street-freefall |access-date=2023-08-19 |issn=0261-3077}}</ref> Summary: Please note that all contributions to Christianpedia may be edited, altered, or removed by other contributors. If you do not want your writing to be edited mercilessly, then do not submit it here. You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource (see Christianpedia:Copyrights for details). Do not submit copyrighted work without permission! Cancel Editing help (opens in new window) Discuss this page