Tesla shares surged over 8% on Wednesday, hitting an intraday high of $394.48 in the stock’s biggest rally since September, driven by CEO Elon Musk’s announcement that the company has completed the design of its next-generation AI5 chip and momentum from a UBS upgrade the day before.
The stock price jump came despite TD Cowen lowering its price target on the stock to $490 from $519 while maintaining its rating, and a Barclays note reiterating an Equalweight rating and $360 target that warned of rising capital expenditure risk.
As of midday, the stock was trading at approximately $391, up more than $27 from Tuesday’s close of $364.20, and the volume already exceeded the three-month daily average of 61.87 million.
Tesla‘s market cap value rose to nearly $1.5 trillion. The stock remains down approximately 21% year to date from its 2025 close and 21.4% below the all time high of $498.83 reached last December.
AI5 Tapeout
The primary catalyst was Musk’s announcement that Tesla‘s AI chip design team had completed the tapeout of the AI5 processor — the critical final stage where a chip design is finalised and sent to a foundry for fabrication.
“Congrats to the Tesla AI chip design team on taping out AI5! AI6, Dojo3 & other exciting chips in work,” Musk wrote, sharing a photograph of the packaged chip.
In a follow-up post minutes later, Musk quantified the performance leap: “A single AI5 has ~5 times the useful compute of a dual SoC AI4.”
He thanked Samsung and TSMC — the two foundries producing the chip — and described AI5 as one that would become “one of the most produced AI chips ever.”
In a subsequent reply, Musk added that “AI4 is enough to achieve much better than human safety for FSD” while AI5 would “greatly enhance Optimus.”
The post accumulated over 10 million views within eight hours of being published — the first time an image of the AI5 chip had been shown publicly.
The announcement capped a week of intensifying activity from Musk on X focused on Tesla products.
Since the RDW’s approval of FSD Supervised in the Netherlands on April 10, Musk has shared multiple updates on the European FSD debut, the newly released FSD v14.3.1 in the US and Canada, the Tesla Semi, and the Spring Update 2026 software release.
AI5 is Tesla’s custom system-on-chip designed for real-time AI inference in vehicles and the Optimus humanoid robot.
Musk has benchmarked a single chip as roughly equivalent in inference performance to an Nvidia H100 GPU for Tesla’s workloads, with a dual-chip setup comparable to Nvidia’s Blackwell — at significantly lower cost and power consumption.
Total estimated performance is in the range of 2,000 to 2,500 TOPS, compared to 300-500 for the current AI4.
First silicon samples are expected in late 2026, with high-volume production targeted for mid-2027. AI6 tapeout is targeted for December 2026.
Analyst Notes on Wednesday
TD Cowen analyst Itay Michaeli lowered his price target on Tesla to $490 from $519 while maintaining his rating. The cut was part of a broader autos sector Q1 preview.
Separately, Barclays analyst Dan Levy reiterated an Equalweight rating and $360 price target.
In his note, Levy described Tesla’s Terafab semiconductor facility as “ultra aspirational” and warned that the full buildout “could cost in the mid-single digit trillion dollars.”
He said the key question heading into earnings was “how much incremental capex Tesla will need to incur” beyond the $20 billion-plus figure discussed on the last earnings call.
Levy cautioned that “commentary of incremental capex and thus further negative free cash flow could be perceived negatively.”
Earnings Week
Tesla reports Q1 2026 financial results after the market close on Wednesday, April 22 — one week from today.
The company has opened its Say Technologies platform for shareholders to submit and vote on questions for the earnings call, with submissions open until April 21 at 9:00 p.m. WEST.
As of press time, 1,320 participants representing 1.76 million Tesla shares had submitted 453 questions.
The top-voted questions by shares represented were: Optimus v3 reveal timing and production rate (755,700 shares), how Hardware 3 vehicles will reach unsupervised FSD (692,200 shares), and milestones for unsupervised FSD and robotaxi expansion beyond Austin (597,200 shares).
Supporting Tailwinds
Several additional factors contributed to Wednesday’s positive sentiment.
Tesla‘s Spring Update 2026, announced earlier this week, introduced a voice-activated “Hey Grok” AI assistant, a standalone Self-Driving subscription app, Pet Mode, and automatic overnight updates — the most feature-rich software release since the Model Y refresh.
The company also announced a limited-run “Signature Edition” of the Model S and the Model X as a final production variant before the flagship models are discontinued, generating social media buzz around the brand.
FSD Supervised approval in the Netherlands on April 10 continues to provide a tailwind, with the EU-level TCMV committee set to discuss continent-wide approval at its May 5 meeting.
UBS Upgrade
The rally’s first leg came on Tuesday after UBS analyst Joseph Spak upgraded Tesla from Sell to Neutral while maintaining a $352 price target. The note said the stock’s more than 21% year-to-date decline had created a “more balanced risk-reward” profile.
Spak said near-term EV demand headwinds were now largely priced in, while longer-term upside from Tesla’s “physical AI” ambitions — robotaxi, FSD, and the Optimus robot — remained under-appreciated.
He tempered expectations, saying he saw no “meaningful scaling” of robotaxis in the near term, but the removal of a prominent Sell rating helped stabilise sentiment ahead of next week’s earnings.
Tesla shares rose 3.4% on Tuesday to $364.09.
