Premarket: Stocks struggle, U.S. dollar drifts as investors mull Trump tariff outlook

European stocks fell on Wednesday, while the U.S. dollar was slightly higher, as nervy traders awaited clarity on President Donald Trump's trade policy ahead of a new round of tariffs next week. European stocks turned negative after making slim gains in early trading, and were last down 0.5%. Still, they remain on track for their best quarter in two years, on hopes that a German spending package could spur growth. Traders clung on to hopes of flexibility from the White House after Trump said on Monday that not all trade levies would come on the April 2 deadline, and some…