Marsh has led the brokerage since 2010
Robinhood has drawn criticism in its drive to bring more regular people into investing
Firms' robust liquidity and solid leverage positions should balance macro risks
A day trader claimed that tax forms provided by TD Waterhouse led to a surprise tax bill
The deal follows Charles Schwab and TD Ameritrade's merger last year
Requiring brokerage firms to disclose whether they have E&O insurance could enhance investor protection
DBRS reports that TD expects a sizeable re-evaluation gain at closing
TD Bank will hold a 13% stake in the combined company
The rating agency said it expects industry consolidation to continue
The American SRO looks at phishing, mobile devices and insider threats