The IBD SmartSelect Composite Rating for American Superconductor rose from 93 to 97 Friday.
The revised score means the stock currently tops 97% of all other stocks in terms of key performance metrics and technical strength.
American Superconductor is now out of buy range after breaking out from a 15.24 buy point in a cup without handle.
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The stock sports an 81 EPS Rating, which means its recent quarterly and longer-term annual earnings growth tops 81% of all stocks.
Its Accumulation/Distribution Rating of B- shows moderate buying by institutional investors over the last 13 weeks.
In Q2, the company reported 2,600% earnings growth. Top line growth increased 60%, up from 33% in the prior quarter. The company has now posted accelerating growth in each of the last two quarters.
American Superconductor earns the No. 2 rank among its peers in the Electrical Power/Equipment industry group. Vertiv Holdings is the top-ranked stock within the group.