AP TSLA Tesla 310.12 -0.38 (-0.10 %) Disclaimer Get real-time TSLA charts here " Tesla CEO Elon Musk recently warned short sellers that their positions would explode in "about three weeks." The stock has declined 15% since Musk's tweet. Follow Tesla's stock price in real-time here. It's not the first time Musk has shown his disdain for short sellers, or those investors betting against Tesla's stock price.