Lock

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Related to lock down: Locked Away

Lock

Used in the context of general equities. Make a market both ways (bid andoffer) either on the bid, offering, or an in-between price only. Locking on the offering occurs to attract a seller, since the trader is willing to pay (and ask) the offering side when others only ask it. Locking on the bid side attracts buyers for similar reasons. Typically, the sell side requires a plus tick to comply with short sale rules.
References in periodicals archive ?
Pezzella added, "Right now in most districts, the standardized response to an active shooter, as evidenced by Sandy Hook, is to lock down and wait for law enforcement.
The court noted that there was not evidence that the previous incident involved sexual misconduct and the officials had disciplined the officer and changed lock down procedures following the investigation.