By Bret Kenwell Microsoft and Activision Blizzard are making headlines as the worries grow about whether the former’s buyout of the latter will fall through. Shares of Activision Blizzard (ATVI) – Get Free Report fell just over 4% on Friday, while Microsoft (MSFT) – Get Free Report stock ended slightly lower. That’s as there are questions beginning to swirl around Microsoft’s proposed $69 billion buyout of Activision. In January, the two companies came to an agreement where Microsoft would buy Activision for $95 a share. Despite antitrust concerns, many investors were confident the deal would …