Apple's $200 billion valuation wipeout may foreshadow a post-US tech future

• Apple experience a $200 billion market cap drop amid investor concerns about China.
• A new phone from Huawei has been built mostly with equipment from China.
• It's a sign that US export controls aren't hurting China, which is becoming technologically independent.

With less than a week to go before the release of the iPhone 15, there should be a huge buzz around Apple as it prepares for the biggest event in its calendar year. Instead, it's having to nurse a sudden $200 billion drop in market value.