(plural materializations) 1  The conversion of something into a physical form. ( 2 physics) The conversion of energy into mass.
Market Order-- to sell Hutchison: sell Hutchison now at whatever prevailing market price. Usually one will get the stock at the ask price of the moment when the order reaches the exchange. Sometimes, one gets a series of partial trades (partially filled orders) at different prices, the shares of which add up to 2000.
This means that at the current moment, the specialist has offers on his books (bids) to buy 3,700 shares at 14 1/4 and offers (asks) to sell 9,000 shares at 14 1/2. In general, a larger ask size than bid size means that at the moment, there are more sellers than buyers and thus downward pressure on the stock's price.