By Noel Randewich and Ankika Biswas (Reuters) -The S&P 500 closed at an all-time high for a fifth straight session on Thursday after data showing strong U.S. economic growth in the fourth quarter boosted sentiment, while Tesla tumbled following a disappointing sales forecast. The gains extended a rally in which the S&P 500 recently hit record highs for the first time in two years, lifted by optimism about the economy and lower interest rates, as well as bets on artificial intelligence. Tesla slumped 12% to its lowest since May 2023 after CEO Elon Musk warned sales growth would slow this year d…