Apple's VR headset announcement causes stock fluctuations.

Apple's stock hits a record high ahead of its annual Worldwide Developers Conference, where it is expected to unveil its mixed-reality headset featuring high-definition screens and passthrough technology. The headset marks a new investment in a technology that has underperformed in the past. Meanwhile, Meta's stock is down around 1% as sales for existing VR headsets have underperformed and usage has been worse.