The security must have an average daily trading volume of at least 100,000 shares.
Average trading volume in the last six months was about 480,000 shares.
Daily trading volume was just more than half the average for the last three weeks.
The trading volume increased again to more than 1.25 Billion contracts.
The trading volume was quite heavy, with little news that could account for the increased interest.
Should the market fall far, only the larger ones may have the resources to handle the huge trading volume that might result.
The company said the problem was not related to higher trading volumes.
Its trading volume of 4.9 million was the highest on the exchange.
Those issues represent about 98 percent of the trading volume.
The Paris market has been falling the past two years, although in 1994 trading volume reached a new record.