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Tesla Battery Day doesn't impress Wall Street

Investors heard what CEO Elon Musk had to say, but it didn't translate into a stock bounce.

No supercharged stock bump -- at least not yet.

Tesla

Tesla's much-hyped Battery Day is behind us, and while there was plenty of interesting news, none of it will have an immediate impact on Tesla's vehicles. That, apparently, didn't sit well with Wall Street.

At the market's open, Tesla shares are down 5.4% at the time of this writing. Shares closed down 5.6% Tuesday and fell another 6.9% during after-hours trading, according to Reuters. The downturn wiped $50 billion in value from Tesla stock, which has been a hot ticket in recent months.

Musk appeared to warn fans and investors alike ahead of the Battery Day presentation that nothing announced would have an immediate impact on the carmaker. Instead, he mentioned "serious high-volume production" for 2022. As for what Tesla does have planned, a "biscuit tin" battery cell is the biggest takeaway. The new cell design can pack five times the energy of today's cells used in Tesla vehicles. Musk said this will likely translate to a 16% improvement in vehicle range. The new cells will also be easier to produce, which will help Tesla build its cars at a cheaper cost.

That creates the potential for a new affordable Tesla, as in a $25,000 model. Musk directly mentioned this type of car during the presentation, but again, this car isn't coming tomorrow, nor next year. Musk said it's likely three years out and will benefit from battery and manufacturing cost reductions he partially laid out on Tuesday.

Read more: Everything from Tesla Battery Day: Model S Plaid, Cybertruck preorders and more

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