read the articles - post Flash Crash they changed the rules to explicitly bar the practice, but this case alleges that spoofing was also illegal under a different rule.
"The case is part of a crackdown by criminal and regulatory authorities on manipulative tactics used by high-speed traders, including spoofing, which was specifically outlawed in the 2010 Dodd-Frank financial overhaul law.
That law was enacted after the flash crash; the CFTC is alleging that Mr. Sarao violated the Commodities Exchange Act, which also prohibits manipulative trading. It is also alleging that he violated the anti-spoofing law for trading he engaged in beginning in 2011."
I had a single office at my last job. I'm in a shared office today. At my current job I feel much less aware of what's going on around me because I spend all my time with headphones on.
carbon monoxide is less dense than air - according to wikipedia, density at room temperature is 1.15 kg/m³ for CO vs 1.275 kg/m³ for dry air.
The nest protect retails for US$129.00 and has a service lifetime of 7 years.
I recently checked all the smoke detectors at my parents house and found that they were all well past their 10-year replace-by date. (I replaced them, but not with Nest smoke detectors).
The PDF was linked from: http://www.wsj.com/articles/u-k-man-arrested-on-charges-tied...
"The case is part of a crackdown by criminal and regulatory authorities on manipulative tactics used by high-speed traders, including spoofing, which was specifically outlawed in the 2010 Dodd-Frank financial overhaul law.
That law was enacted after the flash crash; the CFTC is alleging that Mr. Sarao violated the Commodities Exchange Act, which also prohibits manipulative trading. It is also alleging that he violated the anti-spoofing law for trading he engaged in beginning in 2011."