(Reuters) - Claims by four of Wall Street's main market makers against Nasdaq over Facebook's botched IPO are likely to exceed $100 million, as they and other traders continue to deal with thousands of problems with customer orders. A technical glitch delayed the social networking company's market debut by 30 minutes on Friday and many client orders were delayed, giving some investors and traders significant losses as the stock price dropped. The exchange operator is facing lawsuits from investors and threats of legal action from brokers. ...

(Reuters) - Investors can hope the debut of options on Facebook Inc goes more smoothly than the long-awaited debut of the social networking service's stock on May 18. While the stock's puts and calls are expected to be popular, the big wild card is volatility and ultimately, the options price. Traders will get a fresh start on options on the Internet giant when the contracts are offered on U.S. options exchanges on May 29. ...

(Reuters) - A legal battle erupted between DISH Network and some of the major broadcast networks Thursday as the two sides traded lawsuits over the satellite distribution company's "Hopper" DVR, which threatens to bring down the television business model by allowing viewers to skip over commercials entirely. Dish Network Corp asked a Manhattan federal judge to declare that its "Auto Hop" feature does not infringe any copyright owned by the four major U.S. television networks: Walt Disney Co's ABC, CBS Corp's CBS, News Corp's Fox and Comcast Corp's NBC. ...