Research from retail analysts Circana shows shoppers are three times more likely to make impulse purchases in person than online. " (Stores) are very hungry for Black Friday to do well," said Marshal Cohen, chief retail advisor at Circana.

Here are the Black Friday store hours for some prominent national chains and Portland-area destinations. Best Buy stores will be open from 6 a.m. to 10 p.m. The Bridgeport Village shopping center in Tigard will be open 9 a.m. to 9 p.m.