Apple's bet on India to escape China risks just hit Trump's tariff wall. Stock down 17% as AI strategy fails while competitors soar. The company that once led tech innovation now trades at premium prices for mature-company growth.
OpenAI launches its first European AI data center in Norway with 100,000 NVIDIA chips by 2026. The $1 billion facility joins a global arms race as tech giants plan $300+ billion in AI infrastructure spending this year alone.
Arm Holdings abandons its licensing model to build chips directly, potentially competing with customers like Nvidia and Amazon. The risky pivot sent shares down 8% as the company bets its profitable business on a crowded market.
Category: Technical Terms
Backpropagation trains neural networks by working backwards from mistakes to adjust the connections that caused them.
When a neural network gives a wrong answer, backpropagation traces the error back through all the layers. It figures out which connections contributed most to the mistake and adjusts them.
This happens millions of times during training, gradually improving the network's performance.
Backpropagation made modern AI possible. Before this algorithm, training deep neural networks was nearly impossible because nobody knew how to assign blame for errors in complex networks.
It's the foundation of how AI systems learn from their mistakes.
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