The Dow (^DJI) dropped 50-something points on Tuesday dragged down by Boeing (BA) which tumbled after a serious incident in Boston involving one of its Japan Airlines jets. If it all sounds eerily familiar — the very same sentence could also accurately describe Monday’s market action — then it is. At least for the aerospace giant for whom the Dreamliner has quickly become a recurring nightmare. The sky also fell in on Chicken Little over at Yum Brands (YUM) with the Kentucky Fried Chicken owner warning its same-store sales in China will come in well below previous projections. It tumbled 4.20% although a sluggish ...