PUC to review ride-service rules RIDE SHARINGPUC to review regulationsThe state Public Utilities Commission said Tuesday it plans to look at new or revised regulations that could make it possible for Internet-based car and ride scheduling services like SideCar, Uber and Lyft to operate legally. The commission, which has fined those three services $20,000 each for not complying with regulations governing taxis, limos and other commercial "charter-party carriers," proposes a review period to determine how to balance the needs of the cab and limo industry with the influx of tech companies that have entered the market. ONLINE RADIOPandora shares fall after hoursShares of Oakland Internet radio company Pandora Media tumbled in extended trading Tuesday after saying its full-year loss will be more than previously forecast. ELECTRIC CARSTesla cash flow turns positiveElectric vehicle maker Tesla Motors had positive cash flow last week, chief executive officer Elon Musk said in a Twitter post. Tesla, which hasn't turned a quarterly profit, is racing to expand production of the rechargeable Model S sedan at its factory in Fremont.