It was a sign-making business. It was a small company, not a blue chip company.

公司是做广告牌生意的。它只是家小公司，不是那种一流公司（blue chip company）。

So, blue chip companies generally pay good dividends.

因此，蓝筹公司通常会派发丰厚的股息。

A " blue chip company, " then, is considered a reliable company, a large company that is safe to invest in.

那么，“蓝筹公司” 被认为是一家可靠的公司，一家可以安全投资的大公司。