Once the firm's move is completed, building's occupancy will dip below 40 percent.

The economy has started adding jobs again, raising hopes that the unemployment rate will dip below 6 percent before year's end.

"That is the first time the server license revenues dipped below 50 percent."

This is the first time the return has dipped below 10 percent since the fourth quarter of 1998.

The yield on the two-year note is at its lowest ever, having dipped below 4 percent.

Yields on the 30-year bond could even dip below 7 percent soon.

In 2006, white's share of the market dipped below 50 percent for the first time in decades, if not ever.

It had briefly dipped below 6 percent for the third day in a row.

It wasn't until the early 1970s, however, that market penetration dipped below 100 percent.

Poverty rates have dipped below 30 percent of black households for the first time in the country's history.