Dan Loeb's hedge fund Third Point LLC dumped a host of positions to pick up tech picks, according to a filing with the Securities and Exchange Commission late Friday. Third Point added new positions of 3 million shares of Activision Blizzard Inc. and 3.8 million shares of Facebook Inc. . At the same time, Third Point cut its position in Alphabet Inc. , while eliminating positions in Amgen Inc. , Broadcom Ltd. , Kraft Heinz Co. , Time Warner Cable , 21st Century Fox Inc. and VMware Inc. .Market Pulse Stories are Rapid-fire, short news bursts on...