U.S. President Donald Trump is injecting nearly $9 billion into Intel in exchange for a 9.9% equity stake. But the money - which the struggling chipmaker was slated to receive anyway under a federal funding act - will not be enough for its contract-chipmaking business to flourish,

The deal caps a two-week frenzy for the troubled chip maker and marks the latest in a series of extraordinary private-sector interventions by the president.