IJS

The leading performances for the growth and momentum buckets in the US stock market continue to pull ahead, based on a set of exchange-traded funds.Meanwhile, the laggards are falling further behind. At the extreme, the spread between the best and worst year-to-date performances for the factor group is approaching an astonishing 50 percentage points as of the close of trading on September 2.While large-cap growth and momentum are far ahead in this year's horse race, the majority of equity risk factors remain under water for 2020.

There's nothing subtle about the span of year-to-date returns for a broad set of US equity risk factors.At the extreme, the spread between the strongest and weakest performances is a stunning 40 percentage points, based on a set of exchange-traded funds through yesterday's close (Aug. 25).The strongest year-to-date run is currently held by large-cap growth stocks, based on the iShares S&P 500 Growth ETF, which is up a sizzling 23.3% so far in 2020.