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

SelectedToday1M Return

KLACKLA Corp+ 7.32%+ 1.56%
Partial Period · Aug 3, 2026 — Sep 4, 2026
SMCISuper Micro Computer Inc+ 4.54%+ 38.23%
Partial Period · Aug 3, 2026 — Sep 4, 2026
COHRCoherent Corp+ 6.60%+ 7.22%

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.

KLAC+ 1.6%SMCI+ 38.2%COHR+ 7.2%Tap or hover the chart for values along the way

Metric	KLACKLA Corp	SMCISuper Micro Computer Inc	COHRCoherent Corp
Return
Last Price	185.60	39.59	281.86
Daily Change	+ 7.32%	+ 4.54%	+ 6.60%
Period ReturnPast Month	+ 1.56%Aug 3, 2026 — Sep 4, 2026	+ 38.23%Aug 3, 2026 — Sep 4, 2026	+ 7.22%
Valuation
Market Cap	$242 B	$25.6 B	$55.1 B
P/E Ratio	50.62	12.37	68.53
Dividend Yield	1.04%	—	—
Net MarginTrailing 12M	35.6%	5.7%	11.3%
Risk
Beta	1.46	2.19	2.18
52-Week Range	83.90 — $307.37	19.48 — $58.78	90.00 — $440.00
Company
Sector	Information Technology	Information Technology	Information Technology
Industry	Semiconductors	Technology	Electrical Equipment

Company

KLACInformation Technology · Semiconductors
SMCIInformation Technology · Technology
COHRInformation Technology · Electrical Equipment

FinnhubUpdated 23:00

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.