As a way of equity contraction, share repurchase involves capital structure and dividend policies of listed corporations, thus it can improve their internal stock value.

股份回购作为一种股本收缩方式涉及上市公司的资本结构与股利分配政策，因此是上市公司用以提高股票内在价值的重要手段之一。

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Many times over the past two years (such as Armageddon Fears Are Overblown on June 1, 2012 and Can Doom and Gloom Save the Market? on September 16, 2011), I have made the case that the internal strength of the stock market was signaling that the economy was actually stronger than most thought.

FORBES: The Week Ahead: Are Stocks Too Far Ahead of the Economy?

As stocks fluctuate from "overvalued" to "undervalued" due to stock market or internal cycles, the dividend yield also fluctuates between excessively rich and excessively meager.

FORBES: Dividends Declare Gallagher Will Go Higher

The entire complex arrangement was treated by the U.S. Internal Revenue Service as a tax-free stock-for-stock merger.

FORBES: Taking Liberty