LOS ANGELES (AP) - An investigation began Wednesday into why a 75-year-old, 75-foot-tall pine tree fell on a group of kids from a summer camp at a Southern California children's museum, leaving a young boy and girl hospitalized with serious injuries, officials said.
NAPA (AP) - Crews battling the toughest of several wildfires burning across the state held their ground Wednesday, keeping a blaze east of California's Napa Valley from jumping any more containment lines, fire officials said.
SAN FRANCISCO (AP) - Tepid user growth and ongoing uncertainty about its leadership dragged Twitter's stock to its lowest level in over a year Wednesday, even though the short-messaging service reported sharply quarterly higher revenue.
SAN FRANCSICO AP) - Democratic Sen. Dianne Feinstein of California introduced a new drought relief bill Wednesday that emphasizes long-term investments in desalination, recycling and new or expanded reservoirs.
SAN FRANCISCO (AP) - Twitter failed to add users at a quick enough pace for investors in the second quarter even as revenue grew sharply, feeding concerns about whether it can ever become a mass-market service like Facebook or Google.
SAN JOSE (AP) - Chipmakers Intel and Micron Technologies say they've made a major breakthrough by creating a new kind of memory chip that's a thousand times faster than the "flash" memory now used in smartphones, tablets and high-end laptop computers.