{video} Jeffrey Vinik, the billionaire investor who relaunched his hedge fund earlier this year, is cutting his comeback tour short. “It has been much harder to raise money over the last several months than I anticipated,” Vinik said in a letter dated Wednesday to investors. The Wall Street Journal first reported the news. CNBC later confirmed it. “The climate for raising long-short equity hedge fund assets has been far more difficult than I expected, and performance of the VAM funds, while good ... has not provided the necessary momentum to bring in our desired level of investments.” Vinik Asset Management funds ... (full story)