A new addition to the S&P 500 could come soon because Skydance Media is due to close on its transaction to buy a controlling stake in index member Paramount Global on Thursday.

A chorus of stock market prognosticators at some of Wall Street’s biggest firms is warning clients to prepare for a pullback as sky-high equity valuations slam into souring economic data.

IBD 50 and IBD Big Cap 20 name Palantir Technologies surged around 7% and reached a record high on the stock market today. The company reported better-than-expected second-quarter profit and revenue ...