Companies Yahoo! Inc. (YHOO), MannKind Corporation (MNKD), American Apparel Inc (APP): Today’s Most Notable MoversBy Solon Harmony B. DolorJune 30, 2014 Today’s most notable movers are Yahoo! Inc. (NASDAQ:YHOO), MannKind Corporation (NASDAQ:MNKD) and American Apparel Inc (NYSEMKT:APP), according to Bloomberg. As…