Exchanges Breakdown, Apple Quote Outage On Nasdaq For 6 Minutes

Tuesday morning multiple exchanges broke down and failed to send data to each other. Nanex highlights that NYSE Arca's 'B-Tape' covering symbols from UTG to ZSML halted. This problem began, according to Nanex, at 10:05:23 EDT. https://twitter.com/rockhowse/status/582918085276884994/photo/1 Regarding the orders in those stocks NYSE said all live orders except GTC (Good Til Cancel) will be cancelled in those symbols. Problems with sending data between exchanges happen from time to time and typically exchanges will issue 'Self-Help' on another exchange to draw attention to data dissemination problems. This problem is starkly different as it caused many ETF's to halt trading across all markets. There's a high possibility someone's algo went haywire and clogged the messaging systems used by the exchanges. Perhaps someday the SEC will get an understanding of how our market works.