Leon Cooperman bullish despite fund loss By: CNBC.com News February 10, 2015 at 14:52 PM EST Billionaire investor Leon Cooperman of Omega Advisors is still bullish on stocks despite a rare losing streak. Read More >> Related Stocks: HSBC HOLDING PLC 8.125 ERPETUAL CAPITAL SECURITIES QEP Resources Sentinelone Inc Cl A