 The first stage of the break up of General Electric Co. GE, 1.42 has been completed, as GE HealthCare Technologies Inc. GEHC, -4.08 has been officially separated and will begin trading Wednesday as an independent company. GE HealthCares stock will start trading on the Nasdaq on Tuesday, as a component of the SP 500 index SPX, -0.40 , while GEs stock will remain on the New York Stock Exchange. 