$GameStop (GME.US)$ $24 open

Good morning, traders. Happy Monday, September 9th. The market is climbing after last week's rough start to September. My name is Kevin Travers; here are stories about the U.S. stock market today.
$Palantir (PLTR.US)$ climbed 12% Monday after the joint S&P Dow Jones Indices group announced the firm would replace $American Airlines (AAL.US)$ on the S&P 500 before Sept. 23. It was not the only stock swap: $Dell Technologies (DELL.US)$ will repla...