The US Justice Department has filed charges accusing Lynch, who founded Autonomy, of financial fraud.
The US tries to persuade wireless and Internet providers to avoid telecoms equipment from the Chinese firm.
The operator announced its Simfy acquisition and its intention to re-launch Mobile Money in SA and apply for a licence for the service in Nigeria.
The company acquired Arris International, a telecoms equipment maker, for $7.4 billion.
The company acquired Red Hat, an open source software and services company, for $34 billion.
Microsoft overtakes Amazon as the second most valuable company in the US, after Apple.
The companies agree to an all-stock merger of equals, creating the US's sixth largest defence contractor.
Google revealed private profile data of at least 500 000 users may have been exposed to hundreds of external developers.
In its first restructuring in six years, the company will consolidate three content business units and create a new group for cloud and smart industries.
About 50 million Facebook accounts may have been affected by a new security breach.
Comcast topped 21st Century Fox in a weekend auction for Sky, winning the British broadcaster with a $38.8 billion bid.
This is the company's second major acquisition as it deepens its push into semiconductors for self-driving cars.