SFGate.com--In what may be a sign of an improving economy, the Port of Oakland's cargo volume rose in the first six months of 2010 compared with the same period last year.

The port's improved cargo numbers - including imports, exports, and empty and full containers - increased 13 percent year over year, which follows a trend of modest upticks starting about a year ago. June was a particularly strong import month, as incoming shipments jumped 30 percent. Read the full story.