Social media company invested in O 2 stock (3)
I believe the answer is:
oxo
'stock' is the definition.
(stock for cooking can be made from Oxo cubes)
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for oxo that I've seen before include "Stock cube brand" , "Proprietary brand of beef cube" .)
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