ReWalk Robotics Ltd. shares /zigman2/quotes/207919944/composite RWLK -3.10% slid 21% in premarket trade Monday, after the company said it has entered agreement to offer $32.5 million of shares and warrants in a direct offering. The shares are being purchased for $2.035, a discount over the stock's closing price of $2.01 on Friday. The offering is expected to close on Sept. 29. Proceeds will be used for sales, marketing and costs relating to its medical devices, for product development and R&D for its spinal cord injury device and for general corporation purposes. Shares have gained 52% in the year to date, while the S&P 500 /zigman2/quotes/210599714/realtime SPX +0.82% has gained 18.6%.