Benzinga's Top #PreMarket Losers

Tesla Motors TSLA dipped 3.05% to $135.51 in the pre-market session on concerns regarding National Highway Transportation Safety Administration investigation into fires. Windstream Holdings WIN shares dropped 1.16% to $8.07 in pre-market trading after Morgan Stanley downgraded the stock from Equal-weight to Underweight. Himax Technologies HIMX shares fell 1.12% to $8.41 in the pre-market trading. Himax issued a downbeat Q4 outlook. Whole Foods Market WFM dipped 0.87% to $56.76 after Goldman Sachs downgraded the stock from Buy to Neutral and lowered the target price from $66 to $57.