We'll start this one off with a little classical literary reference: “Never send to know for whom the bells tolls; it tolls for thee”...
We think that was AT&T's motto when it continued to pay its dividends throughout The Great Depression.
So, a death knell refers to the sounding of a bell when someone dies or leaves the scallops in 30 seconds too long in a reality cooking show. When you hear that sound for a publicly traded company (figuratively hear it anyway), that’s a death knell stock.
That is, it's a stock circling the drain (again, figuratively), still technically a going concern but likely headed toward a grim conclusion, like (quite literally this time) bankruptcy. Typically, you can identify these stocks because their NYSE-or-NASDAQ-listed price has fallen below $1. Those stock generally don't have much time left before they get delisted. Volume is low. Sellside coverage is low or anemic or nil. "Nobody" cares about the stock any more.
Sometimes something happens to pull some value from it in a "strategic sale." But White Knights aren't that popular these days. Or at least are hard to find.
Related or Semi-related Video
Finance: What is Dead Cat Bounce?13 Views
Finance allah shmoop What is a dead cat bounce It
sounds like a dance move from the old west right
but it actually refers to a terrible situation when the
market plummets rebounds very slightly and then plummets again The
idea comes from the notion of dropping a cat off
of a high building It hits the cement dead bounces
a bit before then is a big wet thud Yeah
peeta no cats were harmed in the production of this
definition Thie market has fallen from five thousand twelve hundred
now it's at fourteen hundred and now it's back to
twelve hundred Yeah that uplift of two hundred points there
from twelve hundred fourteen hundred before it went back twelve
hundred which is the concrete that's the dead cat bounce
I'm not totally sure who came up with this term 00:00:50.247 --> [endTime] but wei have a pretty good idea