The tentative ceasefire between the US and Iran is holding as both governments prepare to meet for high‑stakes talks in Pakistan. The foundation for a peace deal may be wobbly, but the stock market is cheering: the S&P 500 Index closed on Thursday (Apr. 9) at its highest level in five weeks. Equity factors have also rallied, though results vary widely, with momentum posting the strongest gain based on a set of ETFs.