That's another conventional formula that goes from interest rate to price of the security.

这是另一条已知利率,求证券价格的经验公式

耶鲁公开课 - 金融市场课程节选

That is, share repurchase can change the units of measurement in a security and companies have to decide how leveraged the stock will be, which changes the stock price--leverage, meaning how much debt the company takes on.

即 股票的购回会改变,已发行股票的单位数量,公司需要决定,股票的杠杆效用是多少,杠杆会改变股价,杠杆指的是公司举债的多少

耶鲁公开课 - 金融市场课程节选