Wall Street came roaring back yesterday after the US and Japan staged a co-ordinated intervention to boost the failing yen and Japanese economy. The index of 30 blue-chip stocks surged at the open and was up as much as 227 points during the trading session before settling back.

The Standard & Poor's 500 rose 19.55 to 1,107.14, and the technology-heavy Nasdaq composite index advanced by 23.29 to 1,776.41.

Advancing issues outnumbered decliners by more than two to one on the New York Stock Exchange, with 2,181 up, 901 down and 474 unchanged.

NYSE volume totalled 721.08 million shares against 658.46 million in the previous session.

The NYSE composite index gained 9.73 to 568.65, and the American Stock Exchange composite index advanced 6.61 to 695.27.

The Russell 2000 index of smaller companies rose 5.71 to 444.08.