Stocks making the biggest premarket moves:

$Fluence Energy(FLNC.US)$
— The energy storage company popped 5.7% following an upgrade by Goldman Sachs to buy from neutral. The Wall Street bank said the recent pullback creates an attractive opportunity. Its price target of $29 implies 78% upside from Wednesday's close.
$Peabody Energy(BTU.US)$
— Shares of the major coal producer slid 0.8% after the company confirmed a fire at its Shoal Creek Mine. All personnel were safely evacuated and an investigation is underway, Peabody Energy said.
$UBS Group(UBS.US)$
— U.S.-listed shares of the Swiss bank rose more than 2% in premarket trading, a day after UBS announced Sergio Ermotti would return as CEO to oversee the takeover of Credit Suisse.
$Carnival(CCL.US)$
— The cruise operator gained 2.2% in the premarket, adding to gains from the previous two sessions. Susquehanna upgraded Carnival to positive from neutral on Wednesday, citing EBITDA recovery for the cruise operator in 2024.