Intel ousted CEO Pat Gelsinger over the weekend , capping a tumultuous nearly four-year tenure at what was America's leading semiconductor company before its stock price and market share collapsed.

Explore the challenges, his ambitious vision, and what lies ahead for the tech giant as it seeks to reclaim its edge.

In a blow to Intel's turnaround plans, CEO Pat Gelsinger has resigned from the big chip maker without a permanent successor in place.