Jordan Novet / CNBC: Cerebras priced its IPO at $185 per share, above the expected range of $150 to $160, raising at least $5.55B and valuing it at $56.4B fully diluted  —  Cerebras Systems, a maker of artificial intelligence chips, priced its IPO at $185 a share on Wednesday, above the expected range, according to a person with knowledge of the matter.