(Bloomberg) — Evan Greenberg just took dealmaking to the next level.

The chief executive officer of property-and-casualty insurer Ace Ltd. on Wednesday announced a $28 billion deal for rival Chubb Corp. It's the biggest acquisition in the industry since the 2008 government bailout of American International Group Inc., the insurance giant formerly led by Greenberg's father, Hank.

After the busiest quarter for insurance dealmaking in at least 12 years, the magnitude of this latest takeover is going to drive even more “M&A fever” across the industry, according to Cliff Gallant of Nomura Holdings Inc. Insurers from W.R. Berkley Corp. to Hartford Financial Services Group Inc. rallied on the news amid takeover speculation.

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