Some investors believe that 'the worm has turned', and that the economy is getting better.
She finally 'wormed' the truth 'out of' him. [=she finally got him to tell her the truth]
I didn't think that she would go on a date with that 'worm'. [='wretch']
(..) Be silent. Keep your forked tongue behind your teeth. I have not passed through fire and death... ...to bandy crooked words with a witless worm. His staff. I told you to take the wizard's staff. Th'oden... ...son of Thengel... ...too long have you sat (..)2002 The Lord of the Rings: The Two Towers