El Segundo-based technology manufacturer Aerojet Rocketdyne Holdings Inc. was this week’s biggest mover, gaining 19.63 percent to end at $33.89. Beverly Hills-based Live Nation Entertainment was also among this week’s biggest movers. The entertainment company gained 3.35 percent to end at $43.50. Venice-based technology and social media company Snap Inc. was this week’s biggest loser, dropping 10.16 percent to end at $13.70.