Tesla stock has been on a tear, but the Delaware court decision on Chief Executive Elon Musk's pay package could curb enthusiasm.

Elon Musk may have helped reelect Donald Trump and won influence in the new administration. But an appointed Delaware judge has dealt his best-known company, Tesla, another rebuke in its attempt to grant Musk more than $50 billion in additional company stock.

A judge rules Elon Musk is not entitled to receive the compensation package Tesla shareholders voted for. The package is worth $103 billion and consists of 303 million Tesla options.