[n] an attempt by speculators to defraud investors
[n] a sudden short attack
[v] search for something needed or desired; "Our babysitter raided our refrigerator"
[v] enter someone else's territory and take spoils; "The pirates raided the coastal villages regularly"
[v] take over (a company) by buying a controlling interest of its stock; "T. Boone Pickens raided many large companies"
[v] search without warning, make a sudden surprise attack on; "The police raided the crack house"