Tags: US | Market | Curbs

Sources: US Market Curbs Will Start as Early as Mid June

Tuesday, 18 May 2010 03:23 PM

New rules to curb stock trading when markets plunge uncontrollably will kick in as early as mid-June for the largest U.S. stocks, two sources familiar with regulators' plans said on Tuesday.

The plan was hastily crafted by the Securities and Exchange Commission and the major U.S. exchanges in response to the unexplained "flash crash" on May 6 that drove the Dow Jones industrial average down some 700 points within minutes.

Regulators are still trying to pinpoint the cause of the market free-fall and are expected to disclose preliminary findings later Tuesday.

Commodity Futures Trading Commission Chairman Gary Gensler called the report "very preliminary." He added: "There is still a great deal of work to do and a great deal of information to be reviewed."

Gensler spoke to reporters on the sidelines of a conference in Washington.

Regulators and the exchanges have been under intense pressure to zero in on what triggered the May 6 meltdown and to find ways to uphold the integrity of the U.S. markets.

A circuit breaker or a mechanism to halt trading across markets and in a single stock has emerged as one of the key solutions to protect investors.

The breakers will act as "speed bumps to help the market adjust quickly to the high levels of volatility," SEC Chairman Mary Schapiro said by video link from Washington at a conference in Boston.

The SEC and exchanges will propose a circuit breaker that would halt trading in a company's stock if it fell more than 10 percent in 5 minutes, multiple sources have said. It was not clear how long the trading halt would last.

The circuit breakers need to be in place and operational by June 14, one of the sources said on Tuesday. The same source said the breakers would apply between 9:45 a.m. and 3:35 p.m. EST, ending in time for the New York Stock Exchange's closing auction. The trial period will last six months.

The new curbs would align U.S. markets more closely to European markets, which have more muscular safeguards. Circuit breakers at the London Stock Exchange, for example, are based on the liquidity and volatility of individual stocks.

Regulators have been sifting through more than 17 million trades that occurred on May 6 around the time the market went into freefall. So far they have discounted initial theories such as a computer hacker or terrorist activity. They have also dismissed the idea that a so-called fat finger triggered a large erroneous trade.

But no single cause has been articulated, now 12 days after the drop.

"I'm a little skeptical of this solution," Chao Chen, portfolio manager at TFS Capital, said of circuit breakers. "The most important thing is to figure out what happened, because it seems to me that people are nervous in general about where the market is going."

Circuit breakers that would halt trading across all markets are also being considered. This would give investors time to digest any news and adjust trading strategies.

There are already broad index-based breakers in place, but those were not tripped when the market shot down and then recouped some of its losses in less than 20 minutes that afternoon.

Regulators are mulling breakers that would temporarily stop trading when the broader market falls 5 percent, people familiar with the talks told Reuters. That is tighter than the minimum 10 percent threshold already in place.

© 2015 Thomson/Reuters. All rights reserved.

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