<http://schema.org/headline>
"N\u0103m m\u00E3 ch\u1EE9ng kho\u00E1n \u0111\u01B0\u1EE3c giao d\u1ECBch m\u1EA1nh nh\u1EA5t trong tu\u1EA7n"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.vietnamplus.vn/nam-ma-chung-khoan-duoc-giao-dich-manh-nhat-trong-tuan/379403.vnp>