1. Carvana will be added to the S&P 500 on Dec. 22. 2. BofA analyst raises Carvana's price target from $385 to $455. 3. Carvana's stock up 117% this year, outperforming the S&P 500's 16%. 4. Positive unit volume data supports Carvana’s growth despite fourth-quarter guidance concerns. 5. S&P upgraded Carvana’s debt rating, signaling improved financial stability.