Qihoo 360 Technology Co. Ltd. (QH.US) is no longer publicly traded. It was delisted from the New York Stock Exchange in 2016. To discuss factors that *would have* affected its price when it was listed: Company Performance: Revenue, profit margins, user growth, and product launches impacted investor confidence and therefore share price.

Chinese Economy: Economic growth or slowdown in China influenced investor sentiment toward Chinese companies, including Qihoo 360.

Regulatory Environment: Changes in Chinese internet regulations, cybersecurity laws, and data privacy policies affected Qihoo 360's operations and stock value.

Competition: The competitive landscape in China's internet security and search engine markets impacted Qihoo 360's market share and profitability.

Investor Sentiment: Overall market sentiment, particularly towards Chinese tech stocks listed on US exchanges, swayed investor decisions.

Exchange Rates: Fluctuations in the Yuan/USD exchange rate indirectly affected the reported earnings and attractiveness of the stock.

Global Events: Major global economic or political events could have broadly affected market confidence and investment in QH.US.

Technological Advancements: Innovations in cybersecurity and search technology impacted Qihoo 360's ability to maintain its competitive edge.

Management Decisions: Strategic decisions made by Qihoo 360's management team regarding product development, acquisitions, and partnerships influenced the stock price.