The post Authentication Is Crucial in the Collectibles Market appeared first on NASDAQ. Related posts: Dow sees triple-digit gain, up 105 points, or 0.6%, at 17, 655.42 H&R Block fiscal Q1 loss 35 cents a share, rev $138M Applied Materials stock rises 2.8% after-hours following results UPDATE 1-Puerto Rico’s PRIFA bond trustee files for $6.4 mln insurance payment Post navigation Commentary: Peter S. Kim: South Korea faces dim outlook on reforms Opec, Non-Opec Ministers Start Oil Talks in Doha – Sources