Advance Auto Parts, Inc. (NYSE:AAP) Advance Auto Parts, Inc. is a specialty retailer of automotive aftermarket parts, accessories, batteries and maintenance items primarily operating within the United States. Advance Auto Parts, Inc. witnessed volume of 5.46 million shares during last trade however it holds an average trading capacity of 901,824.00 shares. AAP last trade opened at $84.12 reached intraday low of $83.95 and went +8.19% up to close at $85.90. AAP has a market capitalization $6.30 billion and an enterprise value at $6.36 billion. Trailing twelve months price to sales ratio of the stock was 0.95 while price to book ratio in most recent quarter was 7.49. In profitability ratios, net profit margin in past twelve months appeared at 6.16% whereas operating profit margin for the same period at 10.42%.