9. Weighted Average Common Shares

The Net income (loss) and weighted average number of common shares used in the basic and diluted earnings per share computations were as follows:

	Three Months Ended
	March 31,
	2018			2017
	(in millions)
Net income (loss) attributable to Hess Corporation Common Stockholders:
Net income (loss)	$	(65	)	$	(296	)
Less: Net income (loss) attributable to noncontrolling interests		41			28
Less: Preferred stock dividends		11			12
Net income (loss) attributable to Hess Corporation Common Stockholders	$	(117	)	$	(336	)

Weighted average common shares outstanding:
Basic	309.5	313.9
Effect of dilutive securities
Restricted common stock	—	—
Stock options	—	—
Performance share units	—	—
Mandatory convertible preferred stock	—	—
Diluted	309.5	313.9

The following table summarizes the number of antidilutive shares excluded from the computation of diluted shares:

	Three Months Ended
	March 31,
	2018		2017
Restricted common stock		2,922,316		3,126,222
Stock options		5,807,579		6,298,896
Performance share units		623,088		313,004
Common shares upon conversion of Preferred stocks		12,584,974		12,547,650

During the three months ended March 31, 2018, we granted 1,081,923 shares of restricted stock (2017: 1,206,732), 278,003 performance share units (2017: 438,980) and 683,167 stock options (2017: 662,819).