Tesla shares fell 4.2% in late trading in New York after the electric vehicle maker reported a profit that fell well short of analyst estimates.
The decline was driven by rising costs that eroded margins, alongside the company's first quarter of negative free cash flow in more than two years.
3% drop in regular trading earlier in the week, when Tesla shares fell to $390 after second-quarter earnings missed expectations.
The sell-off extends a broader downturn for the stock, which has declined 17% so far in 2026.
Investors are reacting negatively to the combination of record vehicle deliveries failing to translate into expected profitability and the deterioration in cash generation.
This development follows a sharp 8.3% drop in regular trading earlier in the week, when Tesla shares fell to $390 after second-quarter earnings missed expectations.
The consecutive declines highlight growing investor concern over the company's ability to maintain margin expansion amid increasing operational costs.