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Fears over AI spending have sparked a sell-off among tech stocks.

Feb 6 : Amazon shares dropped 8 per cent in premarket trading on Friday after the company's hefty capital expenditure plans deepened investor worries over Big Tech's spending spree on artificial intelligence.Massive AI spending by companies - estimated to be more than $600 billion this year - have raised doub
Big Tech is set for a big AI spend, with the number reaching into the hundreds of billions, according to earnings reports this week.