Stock markets worldwide are experiencing a positive surge as oil prices and Treasury yields decline, reflecting improved investor sentiment. The S&P 500 and Nasdaq saw notable gains, with futures indicating further increases ahead of the highly anticipated Trump-Xi summit. Conversations between the US and China are reported to be successful, bolstering optimism in the markets. Additionally, AI stocks are rallying, contributing to overall market gains. Despite positive trends, concerns remain over a diesel shortage even as crude prices fall. Investors remain focused on the outcomes of upcoming discussions between global leaders.