Lone Sale of $4.1 Billion in Contracts Led to ‘Flash Crash’ in May : ‘as the computers of the high-frequency traders traded contracts back and forth, a “hot potato” effect was created, the report said, as contracts changed hands 27,000 times in 14 seconds, but with eventually only 200 actually being bought or sold.’ upshot: horrifically complex distributed feedback loops now directly impact our economies — great :(
(tags: distributed-systems distcomp flash-crash stock-market trading automation via:nelson sec nyse high-frequency-trading)Changes at dnswl.org : DNSWL will charge for subscriptions to “heavy” users and anti-spam vendors
(tags: dnswl dns whitelists dnsbls filtering anti-spam)