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News Summary: Online TV startup partial victory
THE VERDICT: Aereo, a startup that takes live TV broadcasts and sends them to mobile devices, has won a partial victory in court over the media companies that are suing it.

SAP to buy Ariba for $4.5B, extending cloud push
Business software maker SAP AG on Tuesday said it will buy Ariba Inc., which makes Web-based software that connects suppliers and buyers online, for about $4.51 billion.

R.R. Donnelley buying Edgar Online for $39M
Printing company R.R. Donnelley & Sons Co. said Tuesday that it will buy financial data company Edgar Online Inc. for about $38.6 million, adding to its digital products.

Photos: Black Hole Shreds Star
The Lyrid meteor shower was so bright that it could been during the day and night from California to Nevada.

Prices of Facebook stock since long-awaited IPO
Facebook Inc. began trading publicly on Friday following one of the most anticipated stock offerings in history. The initial public offering of stock priced at $38 on Thursday. It was at the top end of a projected range that Facebook had already increased just days earlier.