时期
买入价
卖出价
收盘价
Dec-15
$38.75
$39.00
$38.88
Jan-16
$36.50
$36.75
$36.63
Q116
$35.75
$36.00
$35.88
Q216
$35.00
$35.50
$35.25
Q316
$34.00
$34.50
$34.25
Q416
$33.75
$33.88
Cal16
$34.60
$34.80
Cal17
$33.25
$33.50