Someone got the natural gas report 400 ms early
http://invezz.com/news/alternative-investments/625-uk-report..."Veteran traders would usually wait in anticipation for the weekly report of gas-inventory figures by the U.S. Energy Information Administration released on Thursday at 10.30 AM and then dive into the busiest trading window of the week. This is no longer true as most traders are now staying out of the market due to the HFTs new strategy - sending floods of orders in an effort to trigger huge price swings just before the data gets released, also known as “banging the beehive”."edit: Fast algo puts orders out on multiple equity exchanges and then hedges itself with a slow algo in the futures market.