SpaceX (NASDAQ:SPCX) and Tesla (NASDAQ:TSLA) sit on opposite sides of the same Elon Musk story. SpaceX debuted on June 12 and carries a $2.13 trillion market cap. Tesla closed Q1 FY2026 with $22.39B in revenue. The question is which grows faster from here. Rockets Surge. Cars Carry the Quarter. Tesla’s earnings on April 22, 2026 ... SpaceX vs. Tesla: Which Will Grow More Over the Next 12 Months?