 Shares of NextDecade Corp. skyrocketed 56.0 in morning trading, putting them on track to break the record one-day gain that was set the previous session, after Evercore ISI analyst Sean Morgan turned bullish on the liquefied natural-gas LNG company and tripled the price target. Trading volume ballooned to 42.4 million shares, compared with the full-day average of about 1.3 million shares. 