JPMorgan's quant guru says there are still huge stock gains to come

The US stock market is not even close to pricing in the full positive effect of a successful GOP tax bill, says JPMorgan quant guru Marko Kolanovic.
The firm has a 2018 year-end price target of 3,000 for the S&P 500, which ties it with Oppenheimer as the most bullish on Wall Street.
JPMorgan also forecasts that volatility will rebound from near-record levels next year, and it sees tail risks mounting in the second half.Despite already sitting close to record levels, US stocks are a sleeping