Wall Streets AI trade is expanding beyond chipmakers to power producers, grid builders and equipment suppliers as surging data-centre electricity demand drives investment. Companies spanning nuclear power, grid infrastructure and cooling systems are emerging as key AI beneficiaries despite valuation and execution risks.

Returns are up 30%, valuations have exploded above 35x, yet positioning has fallen to multi-year lows.

Wall Streets AI trade is expanding beyond chipmakers to power producers, grid builders and equipment suppliers as surging data-centre electricity demand drives investment.…