Tensions seem to be coming to a boiling point between Alere Inc. and Abbott Laboratories. After months of seeming waffling on the part of its suitor, Waltham, Mass.-based Alere, a developer of rapid diagnostic tests, is turning to the courts to force Abbott to follow through with its proposed $5.8 billion merger agreement.

Allegations that St. Jude Medical Inc.'s (NYSE: STJ) implantable heart devices have lax cybersecurity – leaving the devices vulnerable to attacks – are "false and misleading," the company said. Analysts have sided with St. Jude on the issue, for the most part, advising that the stock's short-term sell off based on the Muddy Waters Capital LLC (MW) report was unwarranted.