There are no doubts that 
is in force already at the top of the passage. The placement of the marking in FE may be explained by its shape in [A] – it could have been so big that its right-hand end was already falling on the 2nd semiquaver triplet (cf. e.g. the ending of the Etude in C Minor, Op. 10 No. 12). Another possibility is a manner of writing indications within the range of their validity – cf. e.g. the end of the Etude in G
Major, Op. 10 No. 5. An appropriate shift was performed already in GE3.
Compare the passage in the sources»
category imprint: Differences between sources; Editorial revisions
issues: GE revisions, Centrally placed marks
notation: Pitch