Hospital operator Tenet Healthcare Corp. plans acquisitions, a new share repurchase program and a 4-to-1 reverse stock split to help speed up growth and improve the value of its stock for shareholders. Shares of the Dallas company jumped as much as 7.5 percent in Monday morning trading after it announced the plans, and ended trading up nearly 3.3 percent, or 21 cents, to close at $6.48 while broader trading indexes moved higher. The stock price has risen about 26 percent so far this year.