Investors who hold more than 5 percent of a company’s stock traditionally need to declare any sales to the SEC within 48 hours, so today should be when we learn whom among the small set of concentrated Barnes & Noble investors took the money on Monday after the announcement of the Microsoft deal. So far only Jana Partners has filed, indicating that the firm sold a million of their shares near the top, at $24.42 a share. But they are still holding almost 10 percent, or approximately 5.96 million shares. Given the unprecedented trading volume on Monday of nearly 30 million […]