Cross-correlation matrix analysis of Chinese and American bank stocks in subprime crisis*
Zhu Shi-Zhaoa), Li Xin-Lia), Nie Senb)†, Zhang Wen-Qinga), Yu Gao-Fengc), Han Xiao-Pud), Wang Bing-Honga),b)‡
       
Time evolution of (a) stock price P i ( t ), (b) logarithmic return of stock price R i , (c) renormalized return of stock price r i for Industrial and Commercial bank of China.