Business briefs: GM swings to record quarterly loss

General Motors, the nation’s largest automaker, posted a company record $39 billion loss Wednesday for Q3, as a charge involving unused tax credits brought an abrupt end to a string of three profitable quarters for General Motors Corp. (GM). The loss was one of the biggest quarterly corporate deficits ever. Standard & Poor’s downgraded GM shares from hold to sell.

ALIBABA.COM

Shares of the Chinese e-commerce portal tumbled Wednesday following their stunning debut on the Hong Kong stock market the previous day. Alibaba.com Ltd.’s stock slid 17.5 percent to close at 32.60 Hong Kong dollars ($4.20) as investors sold to lock in profits after it nearly tripled Tuesday to HK$39.50 ($5.09) from its initial public offering price of HK$13.50 ($1.74).

If You’re in the Stands, Keep Your Eye on the Ball

California Supreme Court has ruled fans assume the risk of being struck by balls, bats

Caltrain seeks $260 million to complete electrification

State budget surplus eyed to finish transformative rail project

Future of the Castro Theatre? Depends where you sit

Historical preservation and cinephile experience up against live-event upgrades