The most common and most likely answer to this crossword clue is the 7 letter word TICKERS
I've seen this crossword clue in The Daily Telegraph
T
I
C
K
E
R
S
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TICKERS mean?
TICKERS noun- One who makes a tick mark.
- A measuring or reporting device, particularly one which makes a ticking sound as the measured events occur.
- A ticker tape, either the traditional paper kind or a scrolling message on a screen.
- A heart, especially a human one.
- A birdwatcher who aims to see (and tick off on a list) as many bird species as possible.