SoftBank Group Corp. agreed to buy $2 billion of Intel Corp. stock, a surprise deal to shore up a struggling US name while boosting its own chip ambitions.

The investment will make SoftBank Intel’s fifth biggest investor, with the conglomerate paying $23 per share of Intel common stock. Lip-Bu Tan, Intel’s CEO, said in a statement that he “appreciate (s) the confidence (SoftBank) has placed in Intel with this investment.”