Carvana Co. shares extended their rally to a record 12th straight session ahead of the online used-car dealer’s entry into the S&P 500 Index this month. The stock closed up 2.5% at an all-time high of $467.67 on Wednesday. The shares of Carvana, which went public in 2017, climbed over 50$33 billion to the valuation over that stretch. Most Read from Bloomberg The strength follows strong third-quarter results, reported i ...