Oil prices, which finished at a three-month low overnight, reflected the cautious stance, with Brent crude futures sliding 0.3 per cent to US$82.90 a barrel. SINGAPORE: Asian stocks made cautious gains on Tuesday (Jun 16) after a rally in the previous session on news of a US-Iran peace deal , while investors assessed a widely expected Bank of Japan rate increase to a 31-year high . The yen edged up 0.1 per cent to 160.215 against the dollar, and the Nikkei 225 jumped 0.9 per cent to a new all-