Joby Aviation (JOBY) Shares Drop as $500 Million Defense Contract Raises Funding Concerns

Shares of Joby Aviation, Inc. declined on Tuesday following the announcement it will acquire Resonant Sciences for approximately $500 million. The acquisition aims to expand Joby’s defense segment into a broader, revenue-generating operation.

Joby Aviation (NYSE:JOBY) valuation premium outpaces its cash-runway edge

Joby Aviation (NYSE:JOBY) valuation premium outpaces its cash-runway edge

Fresh insider-sale filings at Joby Aviation show 50,553 shares sold by two executives for about $384,000, with most of the shares expressly linked to taxes on vested stock awards and the rest sold under a pre-set trading plan. The more material signal for investors is Joby’s valuation: its market capitalization stands at about three times the cash and short-term investments reported at March 31.
15 July 2026
Joby Aviation (NYSE:JOBY) volume surges as shares stay under key 2026 financing levels

Joby stock: $8 floor matters for Toyota JV, cash runway

Joby Aviation isn’t getting much help from the Toyota Motor Corporation partnership. Shares finished Tuesday at $8.12, down from a $9.43 high on Monday. Trading stayed active, but the price slipped toward the 52-week low. Not much follow-through here, and for a business that hasn’t launched its main product, that’s what investors are watching—not the press releases.
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US Stock Market Today Updates

MARKET CALENDAR

Key Events Today

The catalysts most likely to move markets.

#1

Warsh at Jackson Hole

Policy tone can move rates, USD, equities, gold and crypto simultaneously.

#2

Michigan sentiment

A weak final reading or elevated inflation expectations could pressure risk assets.

#3

Chicago PMI

A surprise versus 58.0 may alter the near-term manufacturing-growth narrative.

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