Marvell Technology Inc. agreed to buy Lumentum Holdings Inc. at an enterprise value of $115 billion, clinching one of the largest technology deals in history in a push to capitalize on runaway data center spending.

Marvell Technology Inc. is in advanced talks to buy data center optics maker Lumentum Holdings Inc., according to people familiar with the matter, a potential megadeal that would hand it greater control of technology critical to powering digital infrastructure.

Deutsche Telekom AG’s plans to combine with its American arm T-Mobile US Inc. have hit a snag, people familiar with the matter said, casting doubt on what would be the largest-ever public merger.

Universal Music Group, the world’s largest record company, has discussed going private with a few prominent Wall Street firms, according to people familiar with the matter.

GTCR and Elliott Investment Management are acquiring car-insurance software provider CCC Intelligent Solutions Holdings Inc. for about $4.6 billion, in a sign of life for software dealmaking.

Dealmakers have ground to make up as they chase a record year of mergers and acquisitions, after a slower third quarter brought fresh challenges that cost Wall Street some momentum.

H Lundbeck A/S has expressed interest in acquiring Xeris Biopharma Holdings Inc., a US drugmaker specialized in injectable medicines, people familiar with the matter said.

Elliott Investment Management has built a sizeable stake in Deutsche Telekom AG and indicated the German telecommunications giant should ditch a potential merger with its American arm T-Mobile US Inc., people familiar with the matter said.

AstraZeneca Plc has explored an acquisition of Bristol-Myers Squibb Co., according to people familiar with the matter, in a potential megadeal that would rank as the largest ever in pharma.

Curium is in advanced talks to acquire radiopharma company Lantheus Holdings Inc. in a deal that could be announced in the coming days, according to people familiar with the matter.

TPG Inc. is in exclusive talks to acquire Macquarie Group Ltd.-backed Netrality Data Centers, according to people familiar with the matter.