今天发现一个股GDEE涨了好多，好像第一天开卖。不知道啥情况$VelocityShares 3x Long Crude Oil ETN(UWTI)$$VelocityShares 3x Long Natural Gas ETN(UGAZ)$$VelocityShares 3x Inverse Crude Oil ETN(DWTI)$$VelocityShares 3x Inv Natural Gas ETN(DGAZ)$