Stocks Making Significant Premarket Moves: Comcast, Rocket Lab, Charter Communications and Others
Comcast shares surged 20% premarket after announcing a spin-off of NBCUniversal and Sky. Rocket Lab's stock jumped over 10%, while Iridium Communications rose more than 20% following an acquisition announcement. SpaceX gained 2% as it was added to the Nasdaq 100 index, potentially boosting ETF demand.

Tickers: $CHTR $CMCSA $GOOGL $IRDM $MLM $RKLB $SPCE $VZ
Topics: Index Addition M&A Spin-off Stock Movement