California / Bloomberg GE Ventures bought a stake in Germany’s Sonnen GmbH to boost its presence in the fast-growing market for battery systems built to store solar power. GE’s unit is paying a “mid double-digit million-euro” sum for a minority stake in the company, according to a statement by Wildpoldsried, Bavaria-based Sonnen. The company said other investors are considering …

  Oakland / Tribune News Service Southwest Airlines has hit 100 daily departures from Lambert-St. Louis International Airport. The airline is the airport’s dominant carrier, with about half the market share, and has its own terminal. Its newest nonstop flights are to Oakland, Calif., Portland, Ore., and Cleveland. St. Louis passengers already could get to Cleveland and Portland directly on …

  New York / Bloomberg Swiss pilot Andre Borschberg postponed a flight of his solar aircraft around the Statue of Liberty due to gusty winds. The Solar Impulse project, which is flying an ultralight one-man aircraft around the world, will announce a new flight date later, according to its website. Borschberg, 63, had planned to take off in the fuel-free …