Cisco says it has struck a new deal to buy Acacia Communications for around $4.5B, boosting the original purchase price by 64% (Sarah E. Needleman/Wall Street Journal)

Sarah E. Needleman / Wall Street Journal:

Cisco says it has struck a new deal to buy Acacia Communications for around $4.5B, boosting the original purchase price by 64%  —  Networking-equipment giant boosts purchase price by 64% in deal that values Acacia at about $4.5 billion  —  Cisco Systems Corp. said Thursday that it has struck …