What does AMEX stand for?

Proterion, a maker of optical-based instruments for protein and biomolecular characterization, has voluntarily delisted from the American Stock Exchange, citing costs, allocation of resources, a small number of stockholders, low trading volume and the resignation of three independent members of the Board of Directors.

Traded on the American Stock Exchange as HIL, it closed at $6.

of Whittier transferred from the over-the-counter market to the American Stock Exchange.

Metalico's common stock is traded on the American Stock Exchange under the symbol MEA.

Wesco's capital stock will continue to be listed on the American Stock Exchange.

DALLAS -- CabelTel International Corporation (AMEX:GBR) announced that on November 8, 2006, the Company received notice from the Staff of the American Stock Exchange (AMEX) indicating that the Company is currently below certain of the Exchange's continued listing standards due to losses in two of its three most recent fiscal years with stockholders equity below $2,000,000 (by approximately $30,000), as set forth in Section 1003 of the AMEX Company guide.

ION MEDIA NETWORKS (AMEX:ION) (the "Company") today announced that its class A common stock will begin trading under the new ticker symbol "ION" on the American Stock Exchange at the opening of the market today.

Paxson Communications Corporation (AMEX:PAX), which began doing business as ION MEDIA NETWORKS (the "Company") on February 28, 2006, today announced that it will change its ticker symbol on the American Stock Exchange from PAX to ION effective with the opening of the market on Monday, April 3, 2006.