AutoZone (NYSE:AZO) said Tuesday its second-quarter net income grew by 20% to $148.1 million, or $3.34 a share, from $123.3 million, or $2.46 a share, in the year-ago period. The Memphis-based retailer’s revenue increased to $1.66 billion, from $1.51 billion. Wall Street analysts expected AutoZone to earn $3.07 a share, on revenue of $1.63 . . . → Read More: Story Stocks: AutoZone (NYSE:AZO), Apple (NASDAQ:AAPL), CenterPoint Energy (NYSE:CNP), JPMorgan Chase (NYSE:JPM)