Sam Barai’s top performance technology subfund was the casualities when Citi decided to shut down Tribeca Global Management last year. But the closure didn’t deter him. By April, Barai had gardened enough big name backers to begin trading a new long/short tech vehicle, Barai capital fund. Then he suffered another Setback. Launched into a topsy-turvy market, the fund lost2% in its first four months – a decline that plus it slightly behind the absolute return technology index and the Nasdaq Composite.