Lockheed Martin raised its 2026 sales and profit forecasts on July 23, 2026, pointing to Pentagon demand to restock depleted weapons inventories. Shares rose 5.3% in premarket trading on the announcement. The upward revision from the Bethesda-based prime contractor follows a similar move by Northrop Grumman two days earlier, which lifted its own 2026 sales and adjusted profit forecast on July 21. Northrop shares, however, traded down 2.4% in early trading that day.

That divergence — Lockheed up on its beat, Northrop down on its own — reflects valuation compression rather than fundamental disappointment. A price-to-earnings (P/E) multiple is a common way to gauge how much investors are paying per dollar of a company's profit; a higher multiple means more optimism is already baked into the price. As of early April 2026, the S&P 500 Aerospace & Defense sub-index (.SPLRCAERO) was trading at a P/E of roughly 32, leaving limited room for positive surprises to impress investors.

The guidance bumps land against a fiscal backdrop that has expanded materially. Congress approved $901 billion in U.S. defense spending for fiscal year 2026, per Reuters reporting from April. That figure sits well below the $1.5 trillion President Trump demanded on January 8, 2026, but still represents a continued upward trajectory in outlays. The demand impulse was further amplified by the Iran conflict, which by its 20th day had already added $28 billion to defense fortunes, Bloomberg reported on March 19, 2026.

A separate but related thread is the space-defense build-out. U.S. defense space expenditure rose 7.7% year-over-year to $49.5 billion, according to Bloomberg data published July 22, 2025. The U.S. Space Force was requesting $12 billion in reconciliation funds as of July 2026, per Federal News Network. That funding stream flows partly through traditional prime contractors and partly through commercial entrants, most conspicuously SpaceX.

SpaceX's trajectory from private darling to public markets presence has been swift. Bloomberg reported on March 25, 2026 that the company could be valued at $900 billion in a new raise and might stage the largest U.S. IPO. That offering has since occurred, and on July 28, 2026, CNBC reported that members of Congress purchased SpaceX stock after its IPO, with individual transactions ranging between approximately $83,000 and $245,000.

The timing of those congressional purchases is notable. Lawmakers bought into a company whose valuation trajectory has been shaped substantially by government launch contracts, Pentagon satellite deployments, and Space Force budget lines. The juxtaposition of legislators buying stock in a top defense contractor beneficiary, while simultaneously overseeing the appropriations process that funds that contractor's revenue base, is the kind of alignment that conflict-of-interest rules were designed to address. Whether those rules actually apply, or were circumvented through disclosure-only mechanisms, is a question the CNBC reporting raises but does not resolve.

The broader context here is that the defense sector's earnings trajectory is being driven by a confluence of factors: wartime drawdowns creating restock demand, a Congress willing to fund above prior baselines, and a space domain that is absorbing an increasing share of the budget. Lockheed and Northrop's guidance hikes confirm that the order books are translating into recognized revenue and adjusted profit. But the 5.3% premarket pop in Lockheed shares versus Northrop's 2.4% decline on its own beat is a useful reminder that at a 32x sector multiple, the market is pricing in near-flawless execution with little margin for error. Positive surprises are table stakes; the real question is whether the $901 billion appropriation, or any push toward Trump's $1.5 trillion figure, accelerates revenue growth enough to justify current valuations — or whether those valuations compress as the cycle matures.

The SpaceX angle adds a different dimension. A $900 billion valuation implies the market is pricing in not just the launch and Starlink businesses but a sustained government contract pipeline. Congressional buyers, whatever their motivations, are effectively taking a long position in the federal space-defense budget. The $12 billion Space Force reconciliation request, the 7.7% growth in defense space spending, and the broader $901 billion topline all feed into that thesis.

For investors and allocators, the signal from the prime contractors is clear: the restock cycle is real and being recognized in guidance. The signal from Capitol Hill is murkier. When legislators are buying stock in a defense-related IPO whose valuation depends on the very spending bills they write, the line between informed investing and privileged access blurs. The CNBC report documents the purchases; it does not allege wrongdoing. But for a market that already demands premium multiples for defense exposure, the optics are unlikely to help.