OPEN MINDS, The Behavioral Health & Social Service Industry Analyst Industry News The American Stock Exchange launched trading in options on April 9, 2001 on stock of Magellan Health Services, Inc. An option, explained Erin Somers, director of media relations, is the right to buy a share of stock at a particular price. "Investors can purchase options; they trade similarly to stock; you can trade on an exchange," said Ms. Somers. "The American Stock Exchange has picked up the trading of Magellan options." Magellan options have been traded in the past . . .