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

SelectedToday1M Return

GDGeneral Dynamics Corp− 1.80%+ 3.69%
SPCXSpace Exploration Technologies Corp− 0.54%+ 37.46%
Partial Period · Jul 31, 2026 — Sep 4, 2026
RTXRTX Corp− 0.71%− 6.96%
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.

GD+ 3.7%SPCX+ 37.5%RTX− 7.0%Tap or hover the chart for values along the way

Metric	GDGeneral Dynamics Corp	SPCXSpace Exploration Technologies Corp	RTXRTX Corp
Return
Last Price	359.27	148.93	200.70
Daily Change	− 1.80%	− 0.54%	− 0.71%
Period ReturnPast Month	+ 3.69%	+ 37.46%Jul 31, 2026 — Sep 4, 2026	− 6.96%Jul 31, 2026 — Sep 4, 2026
Valuation
Market Cap	$97.2 B	$1.96 T	$270 B
P/E Ratio	21.91	—	35.34
Dividend Yield	2.13%	—	2.95%
Net MarginTrailing 12M	8.2%	31.3%	8.3%
Risk
Beta	0.32	5.77	0.31
52-Week Range	306.77 — $400.00	104.83 — $225.64	150.61 — $226.88
Company
Sector	Industrials	—	Industrials
Industry	Aerospace & Defense	Telecommunication	Aerospace & Defense

Company

GDIndustrials · Aerospace & Defense
SPCXTelecommunication
RTXIndustrials · Aerospace & Defense

FinnhubUpdated 21:50

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.