Autodesk Inc (NASDAQ:ADSK) is up 4.6% to trade at $236.11 today, after the Wall Street Journal reported Starboard Value, which disclosed a $500 million stake in the company, is suing Autodesk's board while simultaneously pushing for changes. The firm alleged that the board perpetuated an "entrenchment scheme" and "misled investors," with hopes to nominate new members shortly.  On the charts, today's pop had ADSK jumping back above its 200-day moving average for the first time since a steep mid-April bear ga ...