Request For Proposal (referred to as RFP and also known as Request For Quotation or RFQ) is a business term referring to a request for quotations, through a tender process, on a specific product or service.
NYOP is an acronym for "Name-Your-Own-Price", a system where a buyer specifies a price and a product and/or service, and asks sellers to match that combination. A special type of reverse auction.
An economic bubble (sometimes referred to as a speculative bubble, a market bubble, a price bubble, a financial bubble, or a speculative mania) is “trade in high volumes at prices that are considerably at variance with intrinsic values”.