What happened Shares of the online car marketplace Carvana (NYSE: CVNA) spiked today on no company-specific news. The positive inflation report sent stocks across nearly all sectors soaring today, pushing the S&P 500 up 4.6% and the tech-heavy Nasdaq Composite higher by 6.2% mid-afternoon. The second is that some Carvana shareholders may also be optimistic that the latest inflation data could encourage the Federal Reserve to slow down the pace, or at least severity, of its interest rate hikes.