A number of flags on Boeing's stock (in black) and a couple that could be argued to be flags in yellow. https://s3-us-west-2.amazonaws.com/maven-user-photos/seanhyman/technical-analysis/IOSU6hIfr0e_ddd3b0bprg/LS4xmCZL5UG54rJRoty7iQ
By the way, this stock is also in a bubble. Look at a weekly, 10-year chart and you'll see. Not good!