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

SelectedToday1M Return

GLWCorning Inc+ 4.62%− 2.13%
APHAmphenol Corp+ 0.72%+ 4.32%
COHRCoherent Corp+ 6.05%+ 5.95%
Partial Period · Jul 31, 2026 — Sep 4, 2026

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.

GLW− 2.1%APH+ 4.3%COHR+ 5.9%Tap or hover the chart for values along the way

Metric	GLWCorning Inc	APHAmphenol Corp	COHRCoherent Corp
Return
Last Price	152.75	82.66	280.41
Daily Change	+ 4.62%	+ 0.72%	+ 6.05%
Period ReturnPast Month	− 2.13%	+ 4.32%	+ 5.95%Jul 31, 2026 — Sep 4, 2026
Valuation
Market Cap	$132 B	$102 B	$54.9 B
P/E Ratio	70.13	20.69	68.18
Dividend Yield	3.97%	0.97%	—
Net MarginTrailing 12M	11.2%	17.7%	11.3%
Risk
Beta	1.18	1.27	2.18
52-Week Range	69.39 — $271.78	39.41 — $89.26	90.00 — $440.00
Company
Sector	Information Technology	Information Technology	Information Technology
Industry	Electrical Equipment	Electrical Equipment	Electrical Equipment

Company

GLWInformation Technology · Electrical Equipment
APHInformation Technology · Electrical Equipment
COHRInformation Technology · Electrical Equipment

CacheUpdated 22:50May Be Out Of Date

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.