Tesla’s at it again with a cryptic post, a spinning black disc, and a date: October 7th. Investors are trying to guess what Elon Musk might be unveiling. Another post appears to show a car parked in the dark with only its headlights on. The stock jumped on the news. Bloomberg Global Autos Editor Craig Trudell joined Bloomberg Open Interest to break down the clues — and what this latest tease could mean for Tesla’s next big reveal.

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