🟢 Onto Innovation is trading 5.28% up in pre-market as Asian chip stocks advance on AI-infrastructure optimism

Onto Innovation is trading at $295.95 (+5.28%) in pre-market, following renewed strength across semiconductor shares and sustained AI-infrastructure optimism.

• The Philadelphia Semiconductor Index gained 1.3% on September 8.
• Intel and AMD also posted strong September 8 gains, reinforcing sector-wide momentum rather than a clear company-specific announcement.
• Onto Innovation is scheduled for a Citi fireside chat at 3:55 p.m. ET on September 9; no pre-market company catalyst was identified.