Dana Hull And Josh Eidelson Bloomberg

Elon Musk urged employees to stay focused on cutting costs and prevent a reversal in Tesla's soaring stock price in an email sent Tuesday to employees as the Palo Alto, California-based company works to meet a target of delivering half a million cars this year

A disgruntled Tesla Inc. employee broke into the company's manufacturing operating system and sent highly sensitive data to unknown third parties, according to an email Elon Musk sent to staff.

Elon Musk urged employees to stay focused on cutting costs and prevent a reversal in Tesla's soaring stock price in an email sent Tuesday to employees as the Palo Alto, California-based company works to meet a target of delivering half a million cars this year

A disgruntled Tesla Inc. employee broke into the company's manufacturing operating system and sent highly sensitive data to unknown third parties, according to an email Elon Musk sent to staff.