S&P 500 and Nasdaq hit records, lifted by Alphabet

By Noel Randewich and Pranav Kashyap (Reuters) -The S&P 500 and the Nasdaq hit record highs on Thursday as robust results from Google parent Alphabet fueled optimism about other heavyweight AI stocks, but Tesla slumped after the electric vehicle maker’s results disappointed investors. Alphabet rose 1.6% as the Google parent’s results boosted confidence that heavy investment in a race to dominate