Deutsche Numis has upgraded FTSE 100 trust Pershing Square, run by infamous hedge fund manager Bill Ackman, to a 'buy'.

CNN rejected a claim made by Elon Musk — and later flagged by Bill Ackman — that it only ... other rally…” The Washington Post via Getty Images The embattled network rejected his theory ...

In a post prior to the announcement, Ackman likened his firm's move to the approach Warren Buffett has used with Berkshire (BRK-A, BRK-B), in which Buffett turned a textile manufa ...