U.S. stocks hit a milestone Aug. 21 by extending their collective winning streak to 3,453 days, a run that qualifies as the nation's second — yes, second — longest stretch of gains since the Great Depression.
In the Bay Area, technology and internet-centric companies led the way, with Los Gatos-based Netflix experiencing a 6,045 percent advance since March 9, 2009, when the global financial crisis started to lift. 3D digital scanner maker Align Technology ranked second, with a 5,549 percent…
