Investors spent Thursday chasing the AI trade into unexpected new territory. Micron Technology delivered the headline grabber — shares surged 18% in premarket trading after the chipmaker posted a fiscal Q3 beat and unveiled $22 billion in long-term customer commitments across 16 deals with data center operators, automakers, and others. Bank of America immediately raised its price target to $1,550, seeing 48% upside. The stock has returned 724% over the...