Tech stocks have been taking a hammering after the debut of DeepSeek. 

The Chinese tech firm has created a budget AI model said to be cheaper and more efficient than the other models on the market. 

It sent the stocks of Nasdaq and NVIDIA tumbling – Nasdaq falling about 3% and NVIDIA plummeting more than 16%. 

Infometrics Principal Economist Brad Olsen told Andrew Dickens that the market has already recovered about half the drop. 

He says everyone is now trying to get a handle on how big AI is and the amount of money they want to invest in it. 

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