RLM Finsbury tops the list of M&A firms by value for the first quarter of 2012. The latest PR league tables, provided by mergermarket, show the firm handled 25 deals worth $89.9 billion during Q1. Tied for second place are Aura Financial and Stockwell Communications, which each had only one whopper of a deal valued at $53.5 billion. Both of these firms and RLM Finsbury worked on the Glencore International/Xstrata deal.

Topping the list of firms based on volume is Brunswick Group with 41 deals valued at about $38.8 billion. In at number two is FTI Consulting with 33 deals valued at about $5.2 billion.

Speaking of FTI Consulting, that firm released research showing that having a succession plan in place reduces the risk to stock price that a CEO departure can have.

“The study found that investors care a great deal about the reputation of a CEO when they’re deciding whether to buy or sell shares. On average, nearly a third of investment decisions are based on the perception of the CEO,” Forbes writes.