?Based on Amazons 10K report, What does the company's change in Earnings per Share and Price Earnings Ratio year-over-year tell you at first glance?

Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Net product sales	$ 118,573	$ 94,665	$ 79,268
Net service sales	59,293	41,322	27,738
Total net sales	177,866	135,987	107,006
Operating expenses:
Cost of sales	111,934	88,265	71,651
Fulfillment	25,249	17,619	13,410
Marketing	10,069	7,233	5,254
Technology and content	22,620	16,085	12,540
General and administrative	3,674	2,432	1,747
Other operating expense, net	214	167	171
Total operating expenses	173,760	131,801	104,773
Operating income (loss)	4,106	4,186	2,233
Interest income	202	100	50
Interest expense	(848)	(484)	(459)
Other income (expense), net	346	90	(256)
Total non-operating income (expense)	(300)	(294)	(665)
Income before income taxes	3,806	3,892	1,568
Provision for income taxes	(769)	(1,425)	(950)
Equity-method investment activity, net of tax	(4)	(96)	(22)
Net income	$ 3,033	$ 2,371	$ 596
Basic earnings per share (in usd per share)	$ 6.32	$ 5.01	$ 1.28
Diluted earnings per share (in usd per share)	$ 6.15	$ 4.90	$ 1.25
Weighted-average shares used in computation of earnings per share:
Basic (in shares)	480	474	467
Diluted (in shares)	493	484	477