Johnson Controls International PLC (NYSE:JCI) stock is jumping to two-year highs, up 4.3% at $71.95 at last glance, after reports that activist hedge fund Elliott built a $1 billion-plus stake in the electrical name. The company also today announced a cash offer for up to $90 million in aggregate principal amount of securities. Johnson Controls International stock only had two negative days since the start of May, after it jumped off the 80-day moving average at the $60 level. Headed for its highest daily p ...