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Read two to four stocks on the same scale — return, valuation and volatility in one table.

SelectedTodayYTD Return

WSTWest Pharmaceutical Services Inc− 0.32%+ 23.67%
COOCooper Companies Inc− 1.16%− 13.94%
ALGNAlign Technology Inc− 0.40%+ 2.02%

Period Return

Each series is converted to a percentage of its own starting point, so all of them begin at zero. What is compared is the return over the period, not price levels.

WST+ 23.7%COO− 13.9%ALGN+ 2.0%Tap or hover the chart for values along the way

Metric	WSTWest Pharmaceutical Services Inc	COOCooper Companies Inc	ALGNAlign Technology Inc
Return
Last Price	341.65	69.82	159.21
Daily Change	− 0.32%	− 1.16%	− 0.40%
Period ReturnYear to Date	+ 23.67%	− 13.94%	+ 2.02%
Valuation
Market Cap	$24.0 B	$13.6 B	$11.4 B
P/E Ratio	43.68	58.98	27.61
Dividend Yield	0.33%	0.02%	—
Net MarginTrailing 12M	17.0%	5.6%	10.0%
Risk
Beta	1.16	0.81	1.73
52-Week Range	223.83 — $386.00	58.89 — $89.83	122.00 — $200.44
Company
Sector	Health Care	Health Care	Health Care
Industry	Life Sciences Tools & Services	Health Care	Health Care

Company

WSTHealth Care · Life Sciences Tools & Services
COOHealth Care · Health Care
ALGNHealth Care · Health Care

FinnhubUpdated 21:54

To Understand This

P/E and the Valuation RatiosYou can't tell whether a stock is cheap or expensive by looking at its price.Diversification: How Many Baskets Are Enough?Owning ten different stocks is not the same as owning ten different risks.