Shares of auto-parts retail chain AutoZone (AZO 6.52%) hit new all-time highs on Tuesday after the company reported financial results for its fiscal second quarter of 2024. As of 1:45 p.m. ET, AutoZone stock was up almost 6%.Another good quarter for shareholdersIn Q2 (which ended on Feb. 10), AutoZone generated net sales of $3.9 billion, which was up almost 5% from the same quarter of last year. The growth came from opening new stores and a modest 3% increase in same-store sales.AutoZone's sales were basica ...