光子芯片龙头概念股无法确定，因为龙头股不是长期固定不变的，会根据股市行情变化而进行改变。但是一般的光子芯片相关的概念股有：北京君正（300223）、三安光电（600703）、亨通光电（6004···

A shareholder vote that is undertaken in order to determine if certain laws and regulations regarding corporate takeovers are to be waived during a particular···

A type of exotic option that gives an investor an agreed upon payout if the price of the underlying asset reaches or surpasses one of two predetermined barrier···

A type of 401(k) plan that automatically enrolls the employees of a company to save for their retirement. Eligible employees of a company with this policy are···

A provision that requires the issuer of a callable bond to replace the bond with a non-callable bond of similar maturity and interest rate in the case that the···

什么是OPT? 　　OPT(Optimized Production Technology,最佳生产技术)是一种改善生产管理的技术，以色列物理学家Eli Goldratt博士于70年代提出，用于安排企业生产人力和物料调···

芝加哥期权交易所···

An option with all the characteristics of an American vanilla option, with one exception: payment is deferred until the original expiration date. The option ca···

An acronym standing for "short-term interest rate" options or futures contract. Many companies and financial institutions use STIR contracts to hedge against b···