TRENDING: SpaceX Isn't The Only Giant Eyeing An IPO Tesla Unveils New Supercharger. Stock Close To Ending Down Streak | Investor's Business Daily Stock Market Today: Dow Slides, Oil Prices Keep Rising On Wednesday, Tesla (TSLA) announced a new, lower-cost Supercharger, as the stock tracks toward its first weekly gain since February. The new electric vehicle chargers, dubbed Folding Unit Superchargers, are more compact and require less support to be installed than prior iterations. Folding Unit Superc ...