English Words: Stock, Securities

collateral[kə'læt(ə)r(ə)l]
adj. 并行的；旁系的；附属的
n. 抵押品；[法] 担保品；旁系亲属
Lenders have to set aside less capital for loans against property because of its security as collateral. 
You are charged interest on the amount you borrow, and the holdings in your account serve as collateral to secure the loan.

margin account 
[金融] 保证金帐户；融资帐户

short sales 
[贸易] 卖期货，卖空

Short Term Sales 短期出售

market order 
[贸易] 市场定购单
Market Stop Order 止损市价报单

限价指令（limit order）：限价指令是指定一个价格，当市场价格低于这个价格时买进；或者指定一个价格，当市场价格高于这个价格时卖出。

ask price 
卖价；卖盘价，沽盘价

illiquid[ɪ'lɪkwɪd] 
【商业】
非现金的；不能立即兑现的
无流动资金的；缺少流动资金的
【法律】(债务、所有权等)不明确的；无书面文件可援引的

illiquidity[,ɪlɪ'kwɪdəti] 
n. [金融] 非流动性；非现金的；不能立即付现
illiquidity premium 非流动性溢价
Illiquidity Discount 非流通性折扣
The illiquidity of the portfolios counted against them.