Editor’s Note:  This story originally appeared in  On Balance ,  the ARTnews  newsletter about the art market and beyond.  Sign up here   to receive it every Wednesday. Happy Venice Week and for all of you at the Biennale, stay dry. Here’s a round-up of the art trade’s comings and goings. Industry Moves • Robert Therrien Estate Leaves Gagosian for David Zwirner: The late sculptor’s work was recently surveyed by the Broad museum in Los Angeles. • Olney Gleason Now Represents Jill Magid: The artist’s first solo exhibition at the gallery will open at the gallery on June 11. She is currently having an exhibition at New York’s Mister Fahrenheit gallery. • Tianyue Zhong Joins Marianne Boesky Gallery: Zhong’s work will be featured in the gallery’s Art Basel booth in June, followed by her debut New York solo exhibition in 2027.…