Stocks Making Significant Premarket Moves: Regeneron, Dominion Energy, Macy's and Others
Several stocks experienced notable premarket movements due to various developments including clinical trial results, activist investments, stake acquisitions by Berkshire Hathaway, and regulatory investigations. Key movers include Regeneron Pharmaceuticals falling over 11% after a failed skin cancer treatment trial, while Dominion Energy surged more than 13% amid reports of potential acquisition talks with NextEra Energy.

Tickers: $BIO $D $DAL $NEE $REGN $UNH
Topics: activist investing energy pharmaceuticals regulatory probe retail stock market