Mint.com reveals cities with most Black Friday shopping activity

San Francisco -- The 15 cities with the most shopping activity on Black Friday 2011 were Manhattan, N.Y.; San Francisco; Los Angeles; Brooklyn, N.Y.; San Jose, Calif.; Seattle; Chicago; San Diego; Houston; Atlanta; Dallas; Saint Louis; Portland, Ore.; Austin, Texas; and Minneapolis, according to mint.com, an online personal finance site. The 10 national merchants with the most shopping activity on Black Friday, mint.com reported, were Apple, Best Buy, Nordstrom, Kohl’s, Macy’s, Target, Wal-Mart, Gap, Old Navy and Amazon. After comparing user spend from Black Friday 2011 to last year’s spend, Mint.com found that: Atlanta, New York and Houston