← Top stories● Neutral for Indian equitiesBillionaire family offices bet on geothermal energy, brain implants in September1 source · first seen 20:06 1 Oct · updated 20:06 1 OctThe briefWritten from 1 report · check the source before you tradeJohn Arnold and Stanley Druckenmiller’s family offices are investing in geothermal energy and brain implantsRead the reports1 report · earliest 20:06CNBCBillionaire family offices bet on geothermal energy, brain implants in September20:06