FP Trading Desk submits: Shares in Boeing Co.’s (BA) continued to tumble Wednesday after the Chicago-based plane maker announced its fifth delay to its new 787 Dreamliner program. The new aircraft was suppose to take to the sky in the coming weeks, but the manufacturer delayed the first flight Tuesday due to structural problems that could hamper its maneuverability.Boeing’s unwillingness, however, to give a new timeframe for the first flight is “concerning,” according to David Strauss, UBS analyst. Mr. Strauss said his contacts expect the delay could push the first flight out by two months, but he also noted that its airline customers are expecting a delay of as much as six months.Complete Story »