Leading off-price clothing chain The TJX Companies Inc has posted a three per cent climb in June same-store sales and said total sales for last month were up 12 per cent at $957 million.

The operator of more than 1,600 stores, including TJ Maxx and Marshalls, said sales for the 22 week period jumped 15 per cent to $4.6 billion from $4bn last year, with same-store sales for that period up five per cent.