Shares of Unity Software Inc. rose 15% after the company said it would exit the non-strategic advertising business and divest from its game publishing business, as it projected first-quarter revenue ahead of its previous guidance.

Precious metal shares and ETFs jump. AGQ up over 6%; UGL, AG up around 3%; Harmony Gold up 2%.

Storage shares rose in premarket trading. SanDisk, Seagate Tech, Micron up around 1%; Western Digital up 0.83%.
