DUBAI, United Arab Emirates -- Saudi Aramco is looking to raise up to $25.6 billion in its initial public offering planned for December, overtaking the $25 billion record set by China's Alibaba Group Holding in 2014. Officially known as Saudi Arabian Oil Co., the state-run petroleum and gas company announced Sunday that it plans to sell 1.5% of its shares for 30 to 32 Saudi riyal apiece on the Saudi Stock Exchange. The price puts its valuation between $1.6 billion and $1.7 billion, making it the most valuable publicly traded company in the world over Apple and Microsoft.