Consumer stocks were flat to lower pre-bell Friday, with the Consumer Discretionary Select Sector SPDR Fund (XLY) inactive and the Consumer Staples Select Sector SPDR Fund (XLP) down 0.2%.

Diageo's (DEO) production of non-alcoholic beer Guinness Zero will be disrupted by an impending workers' strike, UK labor union Unite said. Shares of Diageo were up more than 1% premarket.