US stock indices were higher on Monday amid fresh support from the heavyweight chip sector.
The S&P 500 added 0.4%, the Nasdaq 100 rose nearly 1%, and the Dow inched higher to over 53,000 for the first time on record.
Memory chip producers were sharply higher ahead of Samsung sales updates and SK Hynix's ADR issuance on Friday.
This extends the volatile momentum since last week as ambitious guidance upgrades weigh against concerns that AI sector is overbought, with Meta selling its spare compute capacity and new SpaceX bonds trading at high-yield levels shortly after its record-setting IPO. Micron and Sandisk rose over 2.5%.
Meanwhile, Nvidia traded higher as its assembly partner Hon Hain Precision signaled AI demand is growing further.
Broader sectors were steady after last-week's outperformance.
Minutes from the meeting of a divided FOMC due Wednesday could unveil insights on how the committee balances inflation and job market risks.