• GBP/USD down 0.1% after closing 0.5% higher on Monday on Iran deal optimism

• Iran's top envoys discussing potential peace deal with Qatar prime minister

• But Washington and Tehran play down hopes for an imminent breakthrough

• Reports of U.S. strikes on Iranian boats, missile launch sites dampen mood

• Brent futures up 1.8%, US stock futures pare gains, European futures mixed

• Resistance 1.3520-25, 1.3550, support 1.3455-60, 1.3415-20

• Range Monday 1.3450-1.3509, Asia 1.3484-1.35045
The war in Iran is already depressing services activity:

(Krishna Kumar is a Reuters market analyst. The views expressed are his own.)