"A lot of these things involve stocks worth around $5 and a lot of them violate S.E.C. rules."

The moratorium involves new convertible bonds, warrants and common stocks.

Commentators on news stories involving stocks are often required to disclose any ownership interest in those corporations or in its competitors.

In corporations and business associations law, issue can refer to areas involving stocks.

The pension funds were the primary users of portfolio insurance, the controversial hedging strategy that involves stocks and futures.

It was replaced by the 'post' system in the early 1960s, which involved stocks being quoted on 'posts' or 'boards'.

There is a simpler device: Enact a Federal transfer fee of 10 cents a share on all transactions involving stocks or stock futures.

Previous corrections of 5 to 10 percent since 1990 have involved mainly small- and mid-cap stocks, leaving blue chips aloft, Mr. Stovall said.

Trading was active in a session marked by heavy arbitrage activity involving stocks and stock index futures.

Markups of as much as 178 percent, involving several stocks, were among the S.E.C.'s charges.