SpaceX (SPCX) closed Friday at $158.96, up 7.35%, after trading as high as $159.84. That is the highest the stock has been since early July, and it puts the market cap at about $2 trillion. Shares are now up more than 51% from the August 3 low of $104.83, a rebound worth roughly $700 billion in market value. The stock is still well below its June 16 peak of $225.64.