1.   Financial analysts even said the protest helped cause a sudden dip in the stock market.

2.   One step backward meant a sudden dip in Chesapeake Bay.

3.   Sometime this summer, the yields on mutual funds will probably take a sudden dip.

4.   The bond and stock markets took sudden dips last week as budget negotiations stalled.

5.   When Bradley stormed the cockpit, the plane took a sudden dip, passengers said.