Equity hedge funds such as Philippe Laffont’s Coatue Management and Andreas Halvorsen’s Viking Global Investors are making money in 2019, boosted by a strong stock market. Coatue’s flagship hedge fund returned 3.7% last month and 12% this year through April, according to people familiar with the firm. Laffont’s firm, which focuses on investing in technology, media and telecommunications stocks, managed about $16 billion as of Dec. 31. Viking’s Global Equities was up 0.8% in April and 11% in 2019, said some of the people, asking not to be identified because the information isn’t public.