TW is a failed journalist, who used to run a share tip sheet. He was jailed at one time for a Β£100,000 swindle. Has been the bane of many shares, him and his crew getting people to sell on made up stuff. I suggest you google him.
No doubt those spread bet firms etc will have algorithms working away to keep the sp in check, because they have big liabilities when sp rockets, just hope they are hedging for that as well.