The Taliban's claim goes against their way of working which is to capture, not kill, then barter for ransom or the release of key prisoners.
Within five days it had hundreds of thousands of signatures, which was enough to trigger a Whitehall process that led to the release of key Cabinet Office documents that successive governments had kept secrets.
It stimulates the release of key neurotransmitters associated with good mood - dopamine, serotonin, noradrenaline.
Many investors are stepping to the sidelines ahead of the release of key employment data on Friday morning.
"With Kincora, the power to secure the release of key documents from Whitehall or MI5 filing cabinets is absolutely vital.
But Cardillo added that he expects the stock market to be volatile this week ahead of the release of key productivity and labor market data on Thursday and Friday.
Wachtel says investors are nervously eyeing the release of key employment data on Friday for further indications about the state of the economy.
The stock market is also focused on Thursday's scheduled release of key economic data, including the employment cost index and the gross domestic product for the first quarter.
Nintendo said it expected the release of key titles over the coming months to boost demand before the critical Christmas shopping season.
Nintendo has blamed disappointing sales on the delayed release of key games, but says new titles, such as a 3D version of the long-running Super Mario series expected this Christmas, should help revive the Wii U's fortunes.
