By Jennifer Ablan, Editor, US Investments at Reuters. Gross’ exit, eight months after his top deputy Mohamed El-Erian quit amid acrimony, has triggered another round of speculation in the bond market over leadership stability and accelerating outflows from Pimco. The Edge Consulting Group, a research firm that focuses solely on spinoffs and special situations, said on Friday that a split or spinoff of Pimco from Allianz is not out of the question. The Edge said it would be “beneficial for the Allianz investors and Pimco investors as…