In 2012, Tang Xiwen conducted research on the natural laws of financial markets and concluded that 2013 will be a trough period for the precious metals market. On June 28, 2013, the price of gold plummeted to $1,181 per ounce, and the price of silver plummeted to $18.21.

In 2013, Tang Xiwen founded Singularity Fund;

On October 25, 2013, Tang Xiwen commented: "Global indexes may enter a downward trend." ;

On November 4, 2013, Tang Xiwen published: Interpretation of the relationship between "financial leverage" and "investment risk";

On November 12, 2013, Tang Xiwen published: The application of financial leverage in the international investment market;

On January 2, 2014, Tang Xiwen published: A brief analysis of the global market;

April 25, 2014 , released: "Quantitative easing" can be withdrawn at any time in mid-2014, with opportunities and resistance coexisting;

On July 7, 2014, an interpretation of Internet finance was released

On February 2, 2015, Regarding the trend of RMB internationalization, Tang Xiwen released his opinion: "A Brief Discussion on RMB Internationalization".