Warner Bros. Discovery and Paramount Skydance shares fell amid worries about whether a potential deal could materialize. Aleksander Kalka / NurPhoto / Getty Images Close Key Takeaways Shares of oil producers gained ground, boosted by an uptick in commodity prices, while a rally ran out of steam for two entertainment giants at the center of reports about a potential takeover bid. The S&P 500 slipped 0.1%, retreating from record levels ahead of the Federal Reserve's decision on interest rates expected tomorro ...