Why CarMax Inc. Jumped 12.9% in September

Shares of CarMax (NYSE: KMX) jumped nearly 13% last month, according to data provided by S&P Global Market Intelligence, following the used-car retailer's strong second-quarter results.

CarMax's revenue rose 9.7% year over year to $4.39 billion. Net income leapt 11.7% to $181.4 million. And earnings per share, boosted by stock buybacks, jumped 16.7% to $0.98. Those figures came in well above Wall Street's expectations of $4.27 billion in revenue and $0.95 in EPS.

Image source: CarMax.

Source: Fool.com