The number of shares outstanding after the split is 600 million shares.
The post-split price per share is $56.
A stock split is when a company increases the number of its shares outstanding. It is done when the company perceives that its shares are overpriced.
The number of shares outstanding increases by the number of stock split.
the number of outstanding shares becomes 3 x 200 million = 600 million
The stock price decreases by the number of stock split.
stock price becomes = $168 / 3 =$56
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