物价
Amazon 3,167.46 -57.54 -1.78% 77.46%
Barnes & Noble 6.47 -0.02 -0.31% 26.12%
Chegg 86.98 2.16 2.55% 109.69%

物价
S&P MidCap 400 1938 23.32 1.22% 3.51%
Russell 2000 1569 24.56 1.59% 5.07%