
When copper prices exploded by more than 13%—marking the biggest single-day gain in history—in response to President Donald Trump‘s latest tariff threat, commodity investors cheered.
But for Tesla Inc (NASDAQ:TSLA), that chart may as well have been a warning flare. With every Model Y and Cybertruck packing over 180 pounds of copper, the metal's meteoric rise just made building an EV a whole lot pricier.