An event or enterprise that ends suddenly and disastrously, often with humiliating consequences.
A breaking up of a natural dam, usually made of ice, by a river and the ensuing rush of water.
The action by which someone is scalped.
A legitimate method of arbitrage of small price gaps created by the bid-ask spread.
A fraudulent form of market manipulation in which a person buys shares immediately before recommending the shares to others, thus driving the price up.