Wall Street futures are largely unchanged and with little corporate news or earnings reports during the holiday-shortened week, markets quietly awaited U.S. employment data due Thursday with another e

Tesla ( TSLA 4.77%) shares have tumbled 20% this year, while the S&P 500 (SNPINDEX: ^GSPC) has jumped 5%. Poor financial results driven by market share losses are the main source of consternation, but CEO Elon Musk has arguably damaged the brand with his behavior.