Usage patterns
〈物〉の銘柄を選ぶto choose the brand of something
When choosing a brand of detergent, I compare them carefully.
銘柄を買うto buy a stock issue
I bought a promising stock.
銘柄が上がるfor a stock's price to rise
That stock suddenly rose in price.
銘柄を保有するto hold a stock issue
I have been holding this stock for a long time.