Stock market’s biggest risk is a flash crash says Flash Boy
Remember that HFT book from that film maker about HFT
http://www.marketwatch.com/story/heres-what-flash-boys-hero-katsuyama-sees-as-the-biggest-risk-in-the-stock-market-2017-07-24
NOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!