Pakistan, May 27 -- The dollar nursed losses on Tuesday on rising investor optimism of a deal being struck to reopen the crucial Strait of Hormuz and end ?the three-month-long Iran war, although fresh U.S. attacks on Iranian targets weighed on sentiment.

Despite low odds of an imminent deal, hopes of peace have pushed oil below $100 a barrel, eased pressure on emerging-market currencies, and boosted risk sentiment.

Iran's top negotiator and its foreign minister were in Doha for talks with Qatar's prime minister on a potential deal. U.S. President Donald Trump said talks with Iran were going "nicely", but warned of fresh attacks if they failed.

The U.S. Central Command said in a statement it had carried out fresh strikes, designed "to p...