Aritzia’s US Sales Jump as Expansion Southward Bears Fruit

Aritzia Inc.’s US sales grew more than expected over the past three months, showing the Canadian retailer’s aggressive expansion southward is succeeding.

The clothing chain posted American sales of 413 million Canadian dollars ($301.39 million) in its fiscal first quarter, according to a statement Thursday. That’s the second straight quarter of growth above 45 percent and higher than the 405 million Canadian dollars analysts expected.

Tapping into the vast US market is a key focus for…