It's a proxy for Berkshire Hathaway, which hasn't escaped the market's knife, down 25%.

FORBES: My 50% rule

Using beams of electrons, he carved a cantilever out of the edge of each crystal (think of a knife held down on a table, with the blade sticking out).

ECONOMIST: Small-scale physics

The Home Office said although police figures showed knife crime was down it was not complacent.

BBC: Knife crime down by 25% in West Midlands

In 1669, in a bid to cut down on violence, King Louis XIV of France decreed all pointed knives on the street or the dinner table illegal, and ordered all knife points ground down.

FORBES: No. 1 The Knife

As my colleague Janet Novack has pointed out, neither side is yet willing pull out the knife, though some benefit changes are likely down the road.

FORBES: Suddenly, Democrats Are Making Noise About Ryan's Roadmap

Offences involving weapons also decreased with knife crime reducing by 20% and gun crime down by 20%.

BBC: Met Police says youth violence 'fell 30%' in a year

Some will say that your lifestyle of excess over the years led you to this point, and that it's lazy to go under the knife to resolve such a dramatic problem rather than bear down, hit the treadmill and do it the hard way.

CNN: Congrats Gov. Christie: You saved your life

"Only the SNP can be trusted to keep the record numbers of police officers we now have in Scotland, who have helped drive crime down to its lowest level in 32 years, including a reduction in knife crime of 30%, " he said.

BBC: Scottish election: Main party leaders at police event

Like other viruses, HIV is a stripped-down invader: To reproduce and bud it uses a single, Swiss Army knife of a protein called GAG that hooks onto a protein normally present in healthy cells.

FORBES: Myriad Genetics On HIV Drug Trail