JPMorgan analyst Seth Seifman said he was not surprised to see Boeing (BA) decline in the wake of Bloomberg's report of an SEC probe into its accounting for the 787 and 747 programs, though it is too early to know how this matter will play out. The critical question will now be around the 787 program an what management's ultimate cash flow expecations for the program are, Seifman tells investors. The analyst noted that Boeing suppliers Spirit (SPR) and Triumph (TGI) use a different variation of program accounting and that this issue potentially may have no implications for them.

Citi lowered the firm's price target on Boeing to $224 from $252 and keeps a Buy rating on the shares. The company's Q1 results were better than expected, but "it's clear there is much left to do," the analyst tells investors in a research note. The firm believes Boeing "will come through this healthier than before." This should position it well to take advantage of its duopoly position in commercial aerospace at a time when backlogs stretch out for roughly a decade and customers are clamoring for new aircraft, contends Citi.

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Reports Q1 revenue $16.6B, consensus $15.22B. "Our first quarter results reflect the immediate actions we've taken to slow down 737 production to drive improvements in quality," said Dave Calhoun, Boeing president and CEO. "We will take the time necessary to strengthen our quality and safety management systems and this work will position us for a stronger and more stable future."