The four major Massachusetts health insurers yesterday posted first-quarter losses totaling more than $150 million, with three of them blaming the bulk of the losses on the Patrick administration’s decision to cap rate increases for individuals and small businesses.

The carriers attributed $116 million of their $152 million in losses to the April 1 ruling by the state Division of Insurance to deny most proposed premium increases for the so-called small-group market.  Read the full article here