整理：昨日今晨重要新闻汇总（5月12日）

Domestic News - The China-US economic and trade high-level talks have made substantial progress, reaching important consensus, and both sides agreed to establish a China-US economic and trade consultation mechanism [2] - From January to April, the national railway completed fixed asset investment of 194.7 billion yuan [2] - In April, the retail market for new energy passenger vehicles grew by 33.9% year-on-year, while the overall retail market for passenger vehicles increased by 14.5% year-on-year [2] International News - Trump announced plans to sign an executive order that would immediately reduce drug prices by 30% to 80% [5] - OpenAI and Microsoft are in talks to unlock new funding and future IPO opportunities [5] - The fourth round of indirect talks between the US and Iran concluded, with Iran describing the latest nuclear discussions as "difficult but productive," and the US indicating that a new round of talks is expected to occur soon [5]