$ProShares Ultra VIX Short-Term Futures ETF (UVXY.US)$ This ticket is the same as VXX, it is used for hedging by professional investors. Friends who don't understand, please don't touch it. The current stock price should be the residue of reverse speculation, don't try to be clever, please don't touch it. Advice from someone who has been through it.

$Velodyne Lidar (VLDR.US)$ The Zhitong Finance App learned that on January 19, the lidar company Velodyne (VLDR.US) announced the establishment of a strategic partnership with Beijing Mainline Technology Co., Ltd. (Trunk.Tech). The two companies will collaborate to develop the next generation of autonomous heavy-duty trucks and accelerate the commercialization of driverless trucks in the Chinese logistics market.

$Velodyne Lidar (VLDR.US)$ Aren't you playing too much? Good news came out, but it fell more than 3%?