Asian stocks advanced on Monday as oil prices tumbled amid US-Iran truce hopes, easing inflation and interest-rate concerns ahead of central bank meetings this week. Brent crude fell toward $90 a barrel, the US dollar index dropped, and gold jumped more than 1 percent to trade above $4,100 an ounce. China's Shanghai Composite index surged 1.15 percent to 3,858.24, with CXMT shares soaring nearly 500 percent on their Shanghai Stock Exchange debut, while Hong Kong's Hang Seng index jumped 0.98 percent to 25,207.18. Japan's Nikkei average closed half a percent higher at 64,931.19, South Korea's Kospi surged 0.97 percent to 6,755.75, and Australia's S&P/ASX 200 rose 1.39 percent to 8,894. US stocks ended mixed on Friday, with the Nasdaq Composite falling 0.6 percent, the S&P 500 inching up marginally, and the Dow gaining half a percent.