Take context from the input text and decide on the accurate relationship between 'Baidu' and 'Internet' from the options provided.
Options: industry, brand, business division, stock exchange

Chinese Internet search engine Baidu (NASDAQ:BIDU) was downgraded early Wednesday, while drugmakers Valeant Pharmaceuticals International (NYSE:VRX) and Shire (NASDAQ:SHPG) also saw analyst action.
industry