On October 8th, according to informed sources, Boeing is studying a plan to raise billions of dollars by selling common stock and securities, as its credit rating may be downgraded to junk level. It is reported that in the past few weeks, Boeing has received various fundraising proposals from investment banks such as Goldman Sachs, JPMorgan Chase, Bank of America, and Citigroup. Insiders say that investment banks suggest Boeing raise approximately $10 billion.