But stocks recovered and kept going, amid aggressive buying of big-company and blue-chip names.

The computer systems, signaling that they had spotted a trend to the upside, set off "very aggressive, fund-oriented buying," he said.

The 9.34-point drop in the Dow transportation average was another reason that aggressive buying was held back.

The recovery was attributed to a late wave of aggressive buying by big Japanese brokers for clients and their own accounts.

First Union has built itself into the nation's sixth-largest banking company through years of aggressive buying.

However, it was on 11 December 2007 that it finally closed at a figure above 20,000 points on the back of aggressive buying by funds.

For example, aggressive buying of the 7-year note pushed the yield down to 6.10 percent on July 9.

Despite aggressive buying of shares by the Government this week, Taiwan's market has fallen more than 13 percent since the dispute erupted.

The deals illustrate the risk of aggressive buying.

Because of their aggressive buying, these companies are helping to drive up prices, some real estate specialists say.