SpaceX tops Amazon and Microsoft in market cap, becomes fourth-largest US company Mint Stock Market Today: Dow Climbs; SpaceX Overtakes Amazon Market Cap — Live Updates WSJ SpaceX rises 4% to leapfrog Amazon in market cap, closes short of Microsoft CNBC SpaceX Soars Another 20%—Rocketing Musk’s Net Worth To $1.3 Trillion Forbes Musk's SpaceX overtakes Amazon to become world's fifth most valuable firm BBC SpaceX tops Amazon and Microsoft in market cap, becomes fourth-largest US company MintStock Market Today: Dow Climbs; SpaceX Overtakes Amazon Market Cap — Live Updates WSJSpaceX rises 4% to leapfrog Amazon in market cap, closes short of Microsoft CNBCSpaceX Soars Another 20%—Rocketing Musk’s Net Worth To $1.3 Trillion ForbesMusk's SpaceX overtakes Amazon to become world's fifth most valuable firm BBC by Soban News (international And National News)