Tech stocks were lower Friday afternoon, with the State Street Technology Select Sector SPDR ETF (XLK) falling 0.7% and the State Street SPDR S&P Semiconductor ETF (XSD) down 1.6%.

The Philadelphia Semiconductor index slumped 2.6%.

In sector news, the world's largest AI firms could earn $200 billion in revenue this year, more than five times the $37 billion they brought in last year, according to estimates from Menlo Ventures. The venture capital firm has tracked AI revenue growth from Microsoft (MSFT), Amazon (AMZN), Alphabet's Google (GOOGL), OpenAI, Anthropic, Cursor and other companies for the past three years.

In corporate news, Nvidia (NVDA), Advanced Micro Devices (AMD) and Intel (INTC) shares declined in Friday trading, while ASML (ASML) and STMicroelectronics (STM) also fell after a US-China summit ended without major semiconductor agreements, Yahoo Finance reported. The pullback came after talks between President Donald Trump and Chinese President Xi Jinping failed to produce significant developments on semiconductor trade issues, despite investor expectations for progress on advanced chip sales to China, the report said. Nvidia shares fell 2.5%, AMD lost 3.5%, Intel declined 5.3%, ASML dropped 4.2%, and STMicroelectronics slumped 3.8%.

Bill Ackman said Friday on the social media platform X that his Pershing Square hedge fund has sold Alphabet (GOOGL) shares and established a new position in Microsoft (MSFT). Alphabet shares were down 1%, and Microsoft climbed 4.3%.

Xerox (XRX) shares jumped past 9% after alternative investment fund Starteepo Invest acquired 6.6 million shares of the company, representing a 5.05% stake.