In the last quarter of 2015, American Funds cut by 7% its Amazon.com holding, according to research performed by Todd Rosenbluth, director of mutual fund research at S&P Global Market Intelligence. The mutual fund firm also pared back Alphabet (formerly Google), by 18%. At Fidelity, fund managers added shares in Facebook, Alphabet, Microsoft, and Salesforce in the fourth quarter, while the firm reduced its share count in Gilead Sciences by 6.9%. Read the original story from Barron's.