The coronavirus pandemic has stalled factories and shut down business around the world, causing a historic drop in oil demand just as production was reaching new highs. WSJ explains the oil price bust that could reshape energy markets. Photo Illustration: Carlos Waters/WSJ Natural-gas prices have bounced back from the 25-year low reached late last month, but analysts and traders don’t expect them to go much higher—at least until it is time to turn on the heat. As other assets recover from the coronavirus meltdown and even exceed prepandemic highs, natural gas has lagged behind. There is simply too much of it. Stockpiles…