Bob Jolly, head of global macro at Schroders, has said Germany "loves" being part of the euro and suggested neither Greece nor Italy would exit the single currency for fear of the consequences.
Industry figures have urged the authorities to make it tougher for companies to list in the UK, as the FTSE launches a consultation on entry rules.
Artemis' James Foster has challenged Germany's appetite to stay in the eurozone in its current form after another tumultuous week of market activity.
Nick Train, manager of the £333m Lindsell Train UK Equity fund, has said the most important development for equity markets in Q3 had nothing to do with Greece or the eurozone.
The Securities and Exchange Commission (SEC) has approved rules making it harder for overseas firms to list in the US via mergers with shell companies - a move advocated by Fidelity's Anthony Bolton earlier this year.
Schroders saw net retail outflows of £2.7bn in the third quarter but a rise in performance fees helped boost asset management profits year-on-year.
Jupiter Financial Opportunities manager Guy de Blonay has said his purchase of Man Group was a "mistake" and he has sold down the position.
The S&P 500 has shed more than 2% at the open alongside other US markets as investors panic over the turmoil in Italy and the growing threat of contagion spreading across Europe.