Compare · Opening Bell

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+ 43.3%COO− 13.8%ALGN− 20.7%Tap or hover the chart for values along the way

Selected

WSTWest Pharmaceutical Services, Inc.
6M TRY Return
Today+ 0.90%
COOThe Cooper Companies, Inc.
6M TRY Return
Today− 2.27%
ALGNAlign Technology, Inc.
6M TRY Return
Today− 0.20%
Up to four stocks read side by side on the same scale.

Metrics Table

Metric	WSTWest Pharmaceutical Services, Inc.	COOThe Cooper Companies, Inc.	ALGNAlign Technology, Inc.
Return
Last Price	398.29	59.75	151.95
Daily Change	+ 0.90%	− 2.27%	− 0.20%
Period ReturnPast 6 Months · TRY
Valuation
Market Cap	$28.0 B	$11.4 B	$10.8 B
P/E Ratio	50.92	20.39	26.35
Dividend Yield	0.33%	0.02%	–
Net MarginTrailing 12M	17.0%	13.5%	10.0%
Risk
Beta	1.14	0.82	1.73
52-Week Range	224397	51.089.8	130200
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

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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.