Shares of Nextracker soar on stellar earnings. What we need to see before upgrading the stock

Shares jumped more than 16% in extended trading after better-than-expected results and raised guidance.

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The sun is shining on Nextracker in extended trading Tuesday, as shares soared after the solar technology company reported a top and bottom line beat for its fiscal third quarter. Even better, management increased its full-year profitability outlook and reported a record backlog.