Once again the brain dead editors of the UBS text have face planted themselves on another Alexandrian accidental omission by a master copy ancestor of the ALEPH - B Clown Text.
CODEX ALEPH and B again uniquely share an obvious line skip due to similar line endings on a master copy estimated to have a 25 character column width. Only a handful of later manuscripts, such as DELTA and PSI, along with a few Latin manuscripts of this family of error-perpetrators share this reading. Against the omission stand the entire Byzantine tradition, 20,000 Lectionaries both Greek and Latin, along with such ancient UNCIALS as A,G,K,X,D (and Small d) and PIE. (all this is admitted in the critical apparatus of UBS-2 etc.)
Inexplicably the UBS text ends the first half of Mark 10:24 on the verb, "ESTIN" ("is" i.e., to be)
...and then continue the text from "EIS THN BAS."
What has been dropped is the phrase, "Those who trust in wealth", a line which in Greek also happens to end in "IN"
This is a classic and clear cut case of