Regulators seek answers from Tesla over lack of recall

In a letter to Tesla, the National Highway Traffic Safety Administration told the electric car maker Tuesday that it must recall vehicles if an over-the-internet update deals with a safety defect.

Tesla reaches milestone with first $1B quarterly profit

The financial milestone announced Monday extended a two-year run of prosperity that has erased questions about Tesla’s long-term viability raised during its early years of losses and production problems.