Shares of Intel are down 6% after Microsoft reported that it developed its own chips

The shares of Intel Corp. closed on Friday following a report that Microsoft Corp. it developed internal chips for its servers and surface computers. Intel INTC,
-6.30%
shares closed 6.3% to $ 47.46 on Friday, while shares of Advanced Micro Devices Inc. AMD,
-0.95%,
which also causes CPUs to close 1% at $ 95.92. Microsoft MSFT,
-0.38%
it plans to develop a chip with PLC Arm Holdings designs for its data centers and is exploring the use of another chip to power its computers, Bloomberg reported Friday. In September, Nvidia Corp. NVDA,
-0.52%
offered $ 40 billion to acquire Arm from Softbank Group Corp. 9984,
+ 0.05%
Shares of Nvidia closed up 0.5% to $ 530.88. Shares of Microsoft ended up 0.4% at $ 218.59. In November, Apple Inc. AAPL,
-1.59%,
which recently had Intel chips, launched computers with home-designed chips.