Sure, Advanced Micro Devices ( AMD) was reporting its quarterly results, but the world's second-largest economy loomed large after the chipmaker’s earnings fell short of expectations and raised concerns about the timing of a restart of shipments to China.

AMD stock price crashed by over 6% in the extended hours after the blue-chip semiconductor company published mixed second-quarter results.

The chipmaker sets September-quarter guidance above Wall Street’s expectations but doesn’t factor in a restart of China sales