Tight Bullish Pattern In Walgreen (WAG) by Serge Berger | Jun 6, 2011 | Uncategorized | 0 comments Note the tight channel, so far considered a bullish flag pattern, in WAG. A trade would trigger to the long side on a daily close above the channel. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website