Asian stock prices sank Monday, AP reported. The Shanghai Composite Index fell 1.6 percent to 2,750.40 and Tokyo's Nikkei 225 tumbled 2.0 percent to 21,857.43. Hong Kong's Hang Seng lost 1.6 percent to 27,907.18 and Seoul's Kospi retreated 1.5 percent to 2,248.45. Sydney's S&P-ASX 200 shed 0.4 percent to 6,252.20 and India's Sensex was down 0.3 percent at 33,729.73. Benchmarks in New Zealand, and Southeast Asia also declined. Benchmark U.S. crude fell 24 cents to $67.39 per barrel in electronic trading on the New York Mercantile Exchange. The contract closed at $67.63 on Friday. Brent crude lost 28 cents to $72.53 in London. It closed at $72.83 the previous session. The dollar declined to 110.22 yen from Friday's 110.93. The euro fell to $1.1373 from $1.1411.