The last three finalists were Indian-American, including 13-year-old Pranav Sivakumar from Tower Lakes, Ill.

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Rajesh Jain, stock analyst with Bombay brokerage firm Pranav Securities, said the Indian markets will suffer.

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The inventor, Pranav Mistry, failed numerous times before he developed a truly usable solution.

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Pranav Sivakumar, a 13-year-old from Tower Lakes, Illinois, finished second.

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Rajesh Jain from Pranav Securities in Bombay told the BBC's World Business Report that easier flow of consumer goods across borders and changes in purchasing habits may threaten United Breweries (UB) position.

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"I don't think I'm nervous anymore, " Pranav said.

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Runner-up Pranav Sivakumar, 13, of Tower Lakes, Ill.

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Pranav Sivakumar, 13, of Tower Lakes, Ill.

WSJ: After 1st vocab test, Spelling Bee gets a champion

Thirteen-year-old Pranav Sivakumar of Tower Lakes, Ill.

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