GIF of the day: Skynet is in your stock exchanges, taking your money

High frequency trading has experienced a boom in the last five years. What next?

Reuters' finance blogger Felix Salmon presents the above animated gif, which shows the quantity of high frequency trades happening throughout the day in 14 American stock exchanges, charted between 2007 and 2012.

Watch to the end, to see the enormous spike in activity in 2011, particularly following the US downgrade in August that year, then read Felix's analysis:

Back in 2007, I wasn’t a fan of a financial-transactions tax; today, I am. And this chart shows better than anything why my opinion has changed. The stock market is clearly more dangerous than it was in 2007, with much greater tail risk; meanwhile, in return for facing that danger, society as a whole has received precious little utility.

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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We're hiring! Join the New Statesman as an editorial assistant

The NS is looking for a new recruit.

The New Statesman is hiring an editorial assistant, who will work across the website and magazine to help the office run smoothly. The ideal candidate will have excellent language skills, a passion for journalism, and the ability to work quickly and confidently under pressure.

The job is a broad one – you will need to understand the requirements of both halves of the magazine (politics and culture) as well as having an interest in the technical requirements of magazine and website production. Experience with podcasts and social media would be helpful.

The right person will have omnivorous reading habits and the ability to assimilate new topics at speed. You will be expected to help out with administration tasks around the office, so you must be willing to take direction and get involved with unglamorous tasks. There will be opportunities to write, but this will not form the main part of the job. (Our current editorial assistant is now moving on to a writing post.)

This is a full-time paid job, which would suit a recent graduate or someone who is looking for an entry into journalism. On the job training and help with career development will be offered.

Please apply with an email to Stephen Bush (Stephen. Bush @ with the subject line ‘Editorial Assistant application’.  

In your covering letter, please include a 300-word analysis of the strengths and weaknesses of the New Statesman. Please also include 500 words on what you consider to be the most interesting trend in British politics, and your CV as a Word document. 

The deadline for applications is noon on Monday 12th October.