Blue-chip stock and Common shares

Blue-chip stock noun - A common stock of a nationally known company whose value and dividends are reliable; typically have high price and low yield.

Common shares and blue-chip stock are semantically related. In some cases you can use "Common shares" instead a noun phrase "Blue-chip stock".

Common shares noun - Stock other than preferred stock; entitles the owner to a share of the corporation's profits and a share of the voting power in shareholder elections.

Blue-chip stock and common shares are semantically related. Sometimes you can replace phrase "Blue-chip stock" with "Common shares", this phrases are similar.