Premarket: Global stocks hold firm on trade optimism, long-end yields move higher

Global shares were steady while the dollar held gains on promising signs on United States trade talks, while attention was turning to earnings from Nvidia later in the day. Markets remained optimistic over what appeared to be easing trade frictions between the U.S. and Europe, but long-term yields rose again as a lackluster auction of Japan's longest-dated bonds underscored lingering fiscal deficit concerns. U.S. President Donald Trump said on Tuesday that the European Union's move to set up talks was positive, after walking back plans over the weekend to impose 50% tariffs on goods from the bloc. "They are major…