InvestmentsTop Global NewsMarketsReal Estate Cisco to buy optical gear maker Acacia for US$2.8 billion to build 5G muscle By financialnews_rlv83x - July 9, 2019 0 184 Network gear maker Cisco Systems Inc said on Tuesday it would buy optical component maker Acacia Communications Inc for US$2.84 billion in cash, as it seeks to garner a bigger chunk of 5G spending by telecom companies.