Analysis: To the brink and back on GameStop - Wall Street vs Reddit

FILE PHOTO: A GameStop store is pictured in the Manhattan borough of New York City, New York, U.S., January 29, 2021. REUTERS/Carlo Allegri/File Photo

NEW YORK (Reuters) - On three hours of sleep a night and with no time to eat, one New York-based hedge fund manager overseeing billions in assets called last week the most stressful of his life.

"Nothing was making sense anymore," he said, as he watched the stock of GameStop Corp soar, while he bet it would fall.