How has David Sweet contributed to the field of quantitative trading and finance?
David Sweet has made a substantial contribution through his utilization of machine learning and quantitative analysis to create cutting-edge trading strategies.
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### Instruction:
How has David Sweet contributed to the field of quantitative trading and finance?

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### Response:
David Sweet has made a substantial contribution through his utilization of machine learning and quantitative analysis to create cutting-edge trading strategies.<|im_end|>