Tesla Stock Slides After Q2 Earnings Miss, Margins Squeeze on Heavy AI Spending

Tesla (TSLA) shares slid 5.5% in pre-market trading Thursday after the company's second-quarter 2026 financial results revealed a significant earnings miss and deteriorating profitability, overshadowing a strong revenue beat.

Earnings Miss and Margin Pressure

In its report released Wednesday evening, Tesla posted adjusted earnings of $0.33 per share, falling short of Wall Street's consensus by approximately 33%. While revenue of $28.24 billion surpassed analyst expectations of around $25.55 billion, investors focused on the sharp decline in key profitability metrics.

The company's automotive gross margin, excluding regulatory credits, contracted to 16.3%, well below the anticipated 19.4%. Other key figures highlighted the pressure on profitability:

• Overall gross margin slipped to 16.8%, down from 17.2% in the same period a year earlier.
• Operating margin fell to just 1.4%, a steep decline from 4.1% in the prior-year quarter.

Heavy Spending Drives Cash Burn

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The margin compression was driven by a 47% year-over-year surge in operating expenses, which reached $4.35 billion. Tesla attributed the increased spending to accelerated investments in artificial intelligence, Robotaxi infrastructure, and the manufacturing ramp-up for its Cybercab and Optimus humanoid robot.

This aggressive spending pushed the company's free cash flow into negative territory at -$1.1 billion, marking its first cash burn in over two years. Capital expenditures more than doubled to $5.8 billion for the quarter. On the earnings call, Tesla's CFO confirmed that full-year capital expenditures are expected to exceed $25 billion and will likely grow over the next two to three years.

Market Reaction and Outlook

The combination of a steep profit miss, collapsing margins, and a shift to negative free cash flow prompted a sell-off, with the stock trading at $353.37 in pre-open activity. The broader market offered little support, with major indices trading slightly lower Thursday morning.

For investors, the results intensify concerns about whether Tesla's high-growth valuation can be sustained amid near-term profitability challenges. The central question is how quickly the company's substantial investments in AI and robotics will translate into the earnings growth needed to justify its premium stock multiple.