The most common and most likely answer to this crossword clue is the 8 letter word STRESSED
I've seen this crossword clue in Financial Times
S
T
R
E
S
S
E
D
More clues leading to the result STRESSED
- Des rests, when upset and very anxious
- Bit of seepage with locks under pressure
- Screwed up dishes being sent back
- Under pressure, puddings rise
- Worried and more than a trifle upset
- Tense as tempting confections wheeled over
- Sun editor grabbing bit of hair, worried
- Last of rabbits with hare, say, in a stew
- Lock in shed if leaving hotel under pressure
- Placed emphasis on turnover of sweets
Buddy explains!

The straight part
We know that "Placed emphasis on" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case placed emphasis on = stressed.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 STRESSED mean?
STRESSED verb- To apply force to (a body or structure) causing strain.
- To apply emotional pressure to (a person or animal).
- To suffer stress; to worry or be agitated.
- To emphasise (a syllable of a word).
- To emphasise (words in speaking).
- To emphasise (a point) in an argument or discussion.
- Suffering stress (either physical or mental).
- Having a stress or accent.