Element Capital Management, the firm run by Jeffrey Talpins, raised $2 billion in two weeks as investors show growing interest in hedge funds that focus on macro economic events. The new money brings the firm’s assets under management to $12 billion, according to a person with knowledge of the matter. Element reopened its macro fund to investors on March 1 and turned away additional requests after reaching its target by March 15. Most of the commitments came from existing clients, said the person, who asked not to be identified because the information isn’t public. Element had been closed to new cash since last April, when...