Gilead Sciences, Inc. (NASDAQ:GILD) will release earnings for its first quarter after the closing bell on Thursday, May 7. Analysts expect the Foster City, California-based company to report quarterly earnings of $1.91 per share, up from $1.81 per share in the year-ago period. The consensus estimate for GILD's quarterly revenue is $6.92 billion (it reported $6.67 billion last year), according to Benzinga Pro. On April 29, Gilead Sciences announc…