Web portal Qihoo 360 Technology (QIHU) late Monday reported Q3 results that beat analyst expectations, as it's started to make money from a search engine that's seen as a challenge to Baidu's (BIDU) dominance in China. The company's U.S. shares were up 5.5% after-hours, after it released results and after rising 3.1% in Monday's regular session. Baidu was flat after-hours, after falling a fraction in the regular session. Beijing-based Qihoo said