Most large health insurers likely would remain in the market in 2018 despite threats by some to exit if the Trump administration ended the ACA's cost-sharing reduction payments, but they would seek large premium hikes for their Silver-level products, S&P Global predicts in a report that echoes recent data released by state insurance departments. Increasing the rates for Silver products would allow plans to make up the loss of CSRs, but would also increase the benchmark plan, which in turn...