U.S. stock index futures are pointing to flat open as bitcoin exchange Mt. Gox reportedly files for bankruptcy. The Wall Street Journal reports the announcement was made by a lawyer for the company in a Tokyo court. Apple will host its annual shareholder's meeting in California beginning at 12pm ET. Apple investors will likely ask CEO Tim Cook about what may be in the product pipeline for the tech giant. Shares of Gap will be in focus as investors digest the casual apparel maker's disappointing earnings outlook for 2014. TheStreet's Jim Cramer says WhiteWave is the best way to invest in the worldwide move toward natural and organic eating.