The major component of the Trump Tax Cut was lowering the tax on corporate profits. Telsa barely makes any profit, making that change mostly useless for them.

The major component of the Trump Tax Cut was lowering the tax on corporate profits. Telsa barely makes any profit, making that change mostly useless for them. I believe capital gains taxes were also lowered, which may have been helpful for their stock price. But that in itself is helpful to Elon Musk and other stockholders, not the company itself.