Traders said that prices of most high-yield issues fell by about 3/4 point yesterday on thin volume.

Gains of a point or more were recorded by many other widely traded high-yield issues.

In the corporate debt market, meanwhile, prices were also under pressure, particularly among high-yield issues.

Prices of most high-yield issues were little changed on the day.

Traders said that prices of most high-yield issues rose by about 1/2 point yesterday.

Market participants said prices of most high-yield issues were unchanged to up slightly in very light trading.

And the good feeling spilled over into most other high-yield issues, where price gains of two points or more were recorded.

Among new high-yield issues in the third quarter, 45 percent were rated B- or lower.

Prices of most high-yield issues were little changed in light trading yesterday, dealers said.

By late in the day, prices of most high-yield issues were down by about 1/2 point.