UPDATE 1-US SMALL/MIDCAPS-Internet shares slide with Groupon

By Caroline Valetkevitch NEW YORK, Aug 14 (Reuters) - Small and mid-capitalization stocks edged lower on Tuesday, with shares of Groupon Inc and other Internet companies falling sharply after the daily deals company reported quarterly revenue that missed Wall Street estimates. Shares of Groupon dropped 27 percent to $5.51, while shares of Angie's List, which provides consumer reviews of local professionals and businesses, declined 16 percent to $11.17. Shares of Facebook Inc were down 5