© Reuters. An employee looks on next to an assembly production line of Buick cars at a General Motors factory in Wuhan By Jake Spring BEIJING (Reuters) - General Motors Co (N:GM) reported on Monday its biggest drop in China sales in five months for August as global automakers struggle with a deepening economic slowdown and slumping equities in the world's largest auto market. Vehicle sales for GM and its joint venture partners fell 4.8 percent year-on-year in August, while Ford Motor Co (N:F) and Nissan Motor Co Ltd (T:7201) also reported contracting sales for the month, highlighting the divide between winners and losers in the Chinese market. The figures contrast sharply with last week's major sales gains for Toyota Motor Corp... More