Boeing (BA, Financial) shares dropped more than 1.5% in pre-market trading, priced at 152.29. S&P has placed Boeing on a negative ratings watch, indicating a potential downgrade to junk status. The current rating stands at BBB- with a negative outlook.S&P projects that ongoing strikes are costing Boeing 1 billion each month. If strikes conclude by the fourth quarter, Boeing is anticipated to burn through $10 billion in cash by 2024.Additionally, sources reveal that negotiations between Boeing and the IAM ...