<p>➀ The US announces 100% tariffs on imported chips, exempting companies like TSMC, Intel, and Apple that invest in domestic manufacturing;</p><p>➁ OpenAI achieves a $300 billion valuation after raising $8.3 billion, with investor demand far exceeding allocations;</p><p>➂ Intel's credit rating is downgraded due to weak profitability, while Weebit Nano prepares to tape out a ReRAM chip and Adafruit releases a Raspberry Pi RP2350 dev board for display applications.</p>