MarketWatch The $5 billion Roth IRA established by Peter Thiel has prompted Congress to investigate reforms to the laws governing investment accounts. Some members of Congress are questioning the tax policies of these investment vehicles in light of Paypal (PYPL) co-founder Peter Thiel’s $5 billion Roth individual retirement account position. The leader of the House Ways and Means Committee, Massachusetts Democratic Representative Richard Neal, has sought a proposal to “stop IRAs from being exploited,” according to ProPublica, which originally reported on Thiel’s Roth IRA. The internet giant’s account rose from less than $2,000 in 1999 to $5 billion today, thanks in part to investments in private securities, according to ProPublica’s research./nRead More