Elon Musk, wielding the might of his 4.86 million Twitter followers, would like you to know that Tesla will make an announcement — a product announcement — today at noon PT.

Immediately following the lone tweet, thrust in the direction of Musk’s cult following without warning or clarification, Tesla’s stock rose by more than 2 percent.

Will Tesla unveil Autopilot 2.0? A solar-powered roof? A Tesla RV? Or a Model S for kids? Elon didn’t say.

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