Stocks have experienced significant fluctuations as investors react to the fragile ceasefire between the U.S. and Iran. Following an initial rally, driven by hopes for lasting peace, market sentiments have shifted due to concerns surrounding the sustainability of the truce. The Dow, S&P 500, and Nasdaq saw gains at one point but later turned lower as doubts about the ceasefire emerged. Oil prices have also oscillated, approaching $100 amid rising geopolitical tensions. Despite some positive market moves, analysts caution that underlying uncertainties relating to the Middle East conflict and economic data could lead to further volatility in the near future.