Intel shares extended gains following a report that the struggling chipmaker is in talks to add Advanced Micro Devices as a foundry customer. Zeng Yu / VCG via Getty Images Close Key Takeaways Major U.S. equities indexes were little changed Thursday afternoon on the second day of the U.S. government shutdown, as the tech sector rose while most others declined. Intel (INTC) shares extended gains following a report that the struggling chipmaker is in early talks to add rival Advanced Micro Devices (AMD) as a ...