stick
The German word "Stock" is a noun that can mean stick or staff. It is used in a similar way to the English word "stick" in that it can refer to a long, thin piece of wood or other material. It can also be used metaphorically, such as in the phrase "den Stock in der Hand haben" which means to be in control or have the upper hand.
He lives on the second floor.
In German, 'Stock' is used to refer to the floor or storey in a building. This sentence means that the person lives on the second floor of a building.
I am looking for my cane.
'Stock' in German can also mean 'cane' or 'stick'. This can be used in the context of someone looking for their walking aid, commonly referred to as a cane.
The shares fell, and I lost a large chunk of my wealth.
'Stock' can also be used in the context of a 'chunk' or 'portion'. In this sentence, it is used to refer to a large portion of someone's wealth.