Boeing stock drop would cut the Dow’s price by more than 70 points

Shares of Boeing Co.
BA,
+0.59%
sank 52% to pace the Dow Jones Industrial Average’s
DJIA,
+1.14%
premarket decliners Friday, after the aerospace giant warned of delivery delays of its 737 Max planes. The stock’s implied price decline would shave about 74 points off the Dow’s price, while Dow futures
YM00,
-0.03%
shed 56 points. Meanwhile, UnitedHealth Group Inc.’s stock
UNH,
+0.97%
rose 0.6% to lead the Dow’s early gainers after the health insurer reported better-than-expected first-quarter results, and the implied price gain would add about 22 points to the Dow’s price.