US stocks experienced a significant rally as the market reacted positively to the announcement of a ceasefire between the US and Iran. The S&P 500 managed to wipe out previous losses attributed to the conflict, turning positive for the year. Investors are optimistic that this development may lead to a potential peace deal, with the Dow and Nasdaq also reporting substantial gains. As oil prices plunged below $100 a barrel following the ceasefire news, analysts indicate that consumers might see relief at the gas pump soon, although long-term effects on energy markets remain a concern. Overall, Wall Street emerged as a prominent winner in the wake of the ceasefire, and discussions about a potential US-Iran agreement continue to drive market sentiment.