Future market returns may be muted. That makes tax-efficient investing even more important. Today's Stocks & Topics: EBITDA - Earnings Before Interest, Taxes, Depreciation and Amortization, MCI - Barings Corporate Investors, NGG - National Grid PLC ADR, BAC - Bank of America Corp., The VIX, INTC - Intel Corp., GLW - Corning Inc., COST - Costco Wholesale Corp., AAWW - Atlas Air Worldwide Holdings.