Shares of Standard Motor Products, Inc. (SMP) , one of the leading manufacturers, distributors and marketers of premium automotive replacement parts, have plunged 19.7% year to date (YTD), underperforming the industry as well as its peers like Dorman Products, Inc. (DORM) and Douglas Dynamics, Inc. (PLOW) .YTD Price ComparisonImage Source: Zacks Investment ResearchStandard Motor thrives on sustained demand for automotive parts and acquisition and balance sheet strength. However, rising capital expenditure a ...