AST SpaceMobile shares fell 15.5 percent through 2:14 p.m. ET on Friday after Federal Reserve Chair Kevin Warsh used his Jackson Hole address to declare inflation the central bank's primary focus, lifting the probability of a near-term rate increase. The decline left the satellite operator outperforming the broader market in the wrong direction: the S&P 500 rose 1.1 percent and the Nasdaq Composite added 1.8 percent over the same week.
The rate sensitivity is structural
AST SpaceMobile is constructing a low-earth-orbit constellation almost entirely with borrowed capital. Higher rates raise the cost of that debt and rewrite the investment calculus for a business that has yet to reach profitability. Wednesday's economic data, which showed inflation running well above the Fed's target, had already shifted market pricing toward tightening; Warsh's remarks confirmed the shift.
Losses widen alongside revenue
The company reported second-quarter revenue of $31.5 million, up from $1.2 million a year earlier. The net loss for the quarter widened to $230.9 million. Growth is real but expensive, and the cash burn accelerates just as financing conditions tighten.
What to watch next
The next Fed meeting will test whether Warsh's Jackson Hole framing translates into policy action. For AST SpaceMobile, the critical variable is the cost of capital: a rate hike would increase interest expense on existing floating-rate facilities and raise the hurdle for new fundraising. Until the constellation generates meaningful cash flow, the stock will trade as a levered bet on the rate path.