Consumer stocks were mixed premarket Monday, with the State Street Consumer Staples Select Sector SPDR ETF (XLP) up 0.1% and the State Street Consumer Discretionary Select Sector SPDR ETF (XLY) 0.1% lower.

Macy's (M) shares were up more than 3% after Berkshire Hathaway (BRK.A) (BRK.B) disclosed a roughly $55 million investment in the company, representing about 3 million shares, or nearly 1.1% of the retailer.