 Consumer cyber safety company NortonLifeLock Inc NASDAQ: NLOK agreed to acquire digital security and privacy company Avast PLC OTC: AVASF at a valuation between 8.1 billion - 8.6 billion. NortonLifeLocks closing share price of 27.20 on July 13 was the last trading day for NortonLifeLock shares before the merger speculation began on July 14 