Investors interested in Auto-Tires-Trucks stocks should always be looking to find the best-performing companies in the group. Has China Yuchai (CYD) been one of those stocks this year? A quick glance at the company's year-to-date performance in comparison to the rest of the Auto-Tires-Trucks sector should help us answer this question.China Yuchai is one of 107 individual stocks in the Auto-Tires-Trucks sector. Collectively, these companies sit at #10 in the Zacks Sector Rank. The Zacks Sector Rank gauges th ...