Stock market today: Asian shares are mixed, with China up after state fund says it will buy stocks

BANGKOK (AP) — Shares were mixed Tuesday in Asia, where Chinese stocks surged after a government investment fund said it would step up stock purchases and a report said leader Xi Jinping was set to meet with officials to discuss the markets. Oil prices rose and U.S. futures were mixed. Bloomberg reported that Xi was to be briefed by officials about the markets, underscoring the ruling Communist Party’s concern over a slump that has wiped out trillions of dollars in market value over the past several years. Citing unnamed officials, it said the timing of the briefing was uncertain. The…