Reuters confused about a store of wealth (8)

I believe the answer is:

treasure

I'm a little stuck... Click here to teach me more about this clue!

'store of wealth' is the definition.
'treasure' can be an answer for 'wealth' (treasure is a kind of wealth). I am not certain of the 'store of' bit.

'reuters confused about a' is the wordplay.
'confused' is an anagram indicator.
'about' is an insertion indicator.
'reuters' is an anagram of 'tresure'.
'tresure' enclosing 'a' is 'TREASURE'.

Can you help me to learn more?

(Other definitions for treasure that I've seen before include "quantity of wealth" , "Accumulated wealth, might be buried" , "Cherish like heap of valuables" , "Gold on this island" , "Set great store by" .)

I've seen this clue in The Sun.

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