U.S. stock futures are little changed as investors watch for U.S.-China trade negotiation developments; Apple (AAPL) shares are edging lower in premarket trading entering day two of its Worldwide Developers Conference; Meta Platforms (META) CEO Mark Zuckerberg reportedly is building a "superintelligence group" of AI experts to beat rivals in achieving artificial general intelligence; U.S.-listed shares of Taiwan Semiconductor Manufacturing Co. (TSM) are rising after the chipmaker reported a 40% year-over-year jump in May revenue; and Microsoft (MSFT) stock is pointing slightly lower after its winning streak reached eight sessions. Here's what investors need to know today.

1. US Stock Futures Little Changed as Investors Await US-China Trade Updates

U.S. stock futures are little changed as investors await updates from ongoing trade negotiations between U.S. and Chinese officials. Nasdaq futures are ticking lower after the tech-focused index rose 0.3% Monday to reach its highest level since February. S&P 500 and Dow Jones Industrial Average futures are flat and slightly lower, respectively. Bitcoin (BTCUSD) is rising to trade over $109,000. The 10-year Treasury note yield is declining. Oil futures are rising and gold futures are ticking higher.

2. Apple Updates Don't Include AI Enhancements to Siri

Apple (AAPL) on Monday announced a number of artificial intelligence (AI)-related improvements to its iOS 26 to start its Worldwide Developers Conference. However, executives said it will take more time to add AI-enhanced features to the iPhone maker's voice assistant Siri, such as enabling it to work with other apps. Apple did unveil software updates to the iPhone, Mac, and other devices. Apple shares are edging lower in premarket trading.

3. Meta CEO Zuckerberg Building 'Superintelligence' AI Team, Report Says

Meta Platforms (META) CEO Mark Zuckerberg reportedly is building a "superintelligence group" of 50 AI experts aimed at beating the company's tech rivals in achieving artificial general intelligence (AGI). Zuckerberg's "desire to micromanage the recruitment effort is driven in part by frustration over the quality of and response to Llama 4," Meta's latest large language model (LLM), according to a Bloomberg report. Meta shares are less than 1% higher in premarket trading.

4. TSMC Stock Gains as May Revenue Jumps 40%

U.S.-listed shares of Taiwan Semiconductor Manufacturing Co. (TSM) are nearly 2% higher in premarket trading after it reported May revenue surged as demand remained elevated for its AI chips.  TSMC's May revenue of 320.52 billion New Taiwan dollars ($10.70 billion) was nearly 40% higher than a year earlier but down 8% from April's figure. January-to-May revenue was up almost 43% over the same period last year. U.S.-listed shares of TSMC entered Tuesday up 5% this year.

5. Microsoft Stock Riding 8-Session Winning Streak

Microsoft (MSFT) shares extended their winning streak to eight sessions Monday amid continued investor optimism over the tech giant's prospects from AI technology. Analysts have been high on Microsoft's recent progress, with Wedbush analysts telling clients that the company holds a dominant position in the AI market, while Bernstein pointed out that Microsoft's partnership with ChatGPT maker OpenAI can significantly drive revenue to its cloud platform Azure. Microsoft shares, which entered Tuesday up 12% this year, are edging lower in premarket trading.