Lead Stories Explainer: How a massive options trade by a JP Morgan fund can move markets Saqib Iqbal Ahmed - Reuters A nearly $15 billion JP Morgan fund is expected to reset its options positions on Friday, potentially adding to equity volatility at the end of a strong quarter for U.S. stocks. Analysts have in the past pointed to the JPMorgan Hedged Equity Fund's quarterly reset roiling markets, and see it as a source of potential volatility during Friday's session. /rb.gy/vzos